Students should refer to Worksheets Class 12 Chemistry Chemistry in Everyday Life Chapter 16 provided below with important questions and answers. These important questions with solutions for Chapter 16 Chemistry in Everyday Life have been prepared by expert teachers for Class 12 Chemistry based on the expected pattern of questions in the Class 12 exams. We have provided Worksheets for Class 12 Chemistry for all chapters on our website. You should carefully learn all the important examinations questions provided below as they will help you to get better marks in your class tests and exams.
Chemistry in Everyday Life Worksheet Class 12 Chemistry
Question. Veronal and luminal are derivatives of barbituric acid which are______.
(i) Tranquilizers
(ii) Non– narcotic analgesic.
(iii) Antiallergic drug
(iv) Neurologically active drug.
(a) (i) and (iv)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (i) only
Answer
A
Question. Which is the correct statement about birth control pills?
(a) Contain estrogen only
(b) Contain progesterone only
(c) Contain a mixture of estrogen and progesterone derivatives.
(d) Progesterone enhances ovulation.
Answer
C
Question. Which of the following represents a synthetic detergent?
Answer
C
Question. Which of the following is not a function of aspirin?
(a) Relief from arthritic pain
(b) Relief from postoperative pain.
(c) Prevents platelet coagulation.
(d) Prevention of heart attacks.
Answer
B
Question. Which of the following is an example of narrow spectrum antibiotic?
(a) Chloramphenicol
(b) Penicillin G
(c) Ampicillin
(d) Ofloxacin
Answer
B
Question. Glycerol is added to soap. It functions ___________
(a) as a filler.
(b) to increase leathering.
(c) to prevent rapid drying.
(d) to make soap granules.
Answer
C
Question. Which of the following are anionic detergents?
(i) Sodium salts of sulphonated long chain alcohol.
(ii) Ester of stearic acid and polyethylene glycol.
(iii) Quarternary ammonium salt of amine with acetate ion.
(iv) Sodium salts of sulphonated long chain hydrocarbons.
(a) (i) and (iv)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (i), (ii) and (iv)
Answer
A
Question. Which of the following statements is true about the catalytic activity of enzyme?
(a) Enzyme holds the substrate for a biochemical reaction.
(b) Enzyme binds substrate through a variety of interactions such as ionic bonding, hydrogen bonding,van der Waal’s interaction or dipole – dipole interaction.
(c) Enzyme provides functional group that will attack the substrate and carry out biochemical reaction.
(d) All of the above.
Answer
D
Question. Drug tegamet is used as
(a) Antacid
(b) Antimalarial
(c) Analgesic
(d) Antiseptic
Answer
A
Question. Structuraly biodegradable detergent should contain
(a) normal alkyl chain
(b) branched alkyl chain
(c) phenyl side chain
(d) cyclohexyl side chain
Answer
B
Question. Which of the following is/are example(s) of narcotic analgesics?
(a) Morphine
(b) Heroin
(c) Codeine
(d) All of these
Answer
D
Question. Which of the following was the first effective treatment discovered for syphilis?
(a) Penicillin
(b) Arsphenamine
(c) Chloramphenicol
(d) Sulphanilamide
Answer
B
Question. Arsenic containing medicine used for the treatment of syphilis, is
(a) erythromycin
(b) ofloxacin
(c) tetracycline
(d) salvarsan
Answer
D
Question.The cationic detergent that is used in hair conditioners is
(a) sodium dodecylbenzene sulphonate
(b) sodium lauryl sulphate
(c) tetramethyl ammonium chloride
(d) cetyltrimethyl ammonium bromide
Answer
D
Question. Antibiotic that can be given orally in case of typhoid, acute fever, dysentery, meningitis and pneumonia is_______.
(a) vancomycin
(b) salvarsan
(c) ofloxacin
(d) chloramphenicol
Answer
D
Question. Novestrol is an
(a) antibiotic
(b) analgesic
(c) antacid
(d) antifertility drug
Answer
D
Question. Which is correct about saccharin?
(b) It is 600 times sweeter than sugar
(c) It is used as sweetening agent
(d) All of these
Answer
D
Question. Which of the following enhances leathering property of soap?
(a) Sodium carbonate
(b) Sodium rosinate
(c) Sodium stearate
(d) Trisodium phosphate
Answer
B
Question. Salts of sorbic acid and propionic acid are used as
(a) antioxidants
(b) flavouring agents
(c) food preservatives
(d) nutritional supplements
Answer
C
Question. Compounds with antiseptic properties are ____________
(i) CHCl3
(ii) CHI3
(iii) Boric acid
(iv) 0.3 ppm aqueous solution of Cl2
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (i) and (iv)
(d) (i) and (iii)
Answer
B
Question. Arrange the following artificial sweeteners in increasing order of their sweetness value?
(a) Sucralose < Saccharin < Alitame < Aspartame
(b) Aspartame < Saccharin < Sucralose < Alitame
(c) Aspartame < Sucralose < Saccharine < Alitame
(d) Saccharine < Aspartame < Sucralose < Alitame
Answer
B
Question. Which of the following method of classification of drugs is useful for medicinal chemists?
(a) On the basis of molecular targets.
(b) On the basis of chemical structure.
(c) On the basis of drug action.
(d) All of these.
Answer
A
Question. Sodium benzoate is used as
(a) food preservative
(b) analgesic
(c) filler in detergents
(d) antiseptic
Answer
A
Question. Which of the following method of classification of drugs is useful for doctors?
(a) On the basis of drug action.
(b) On the basis of chemical structure.
(c) On the basis of molecular targets.
(d) On the basis of pharmacological effect.
Answer
D
Question. Which type of drugs inhibit the enzymes which catalyse the degradation of noradrenaline?
(a) Narcotic analgesics
(b) Antacids
(c) Antidepressant
(d) Non–narcotic analgesic.
Answer
C
Question. Detergents are prepared by the action of H2SO4 on which of the following?
(a) Cholesterol
(b) Lauryl alcohol
(c) Cyclohexanol
(d) p-Nitrophenol
Answer
B
Question. Which of the following is an essential component of sleeping pills?
(a) Analgesics
(b) Tranquilizers
(c) Antihistamines
(d) Both (b) and (c)
Answer
B
Question. Sodium alkyl benzene sulphonate is used as
(a) soap
(b) fertilizers
(c) pesticides
(d) detergents
Answer
D
Question. Which of the following represents soap
(a) C17H35COOK
(b) C17H35COOH
(c) C15H31COOH
(d) (C17H35COO)2Ca
Answer
A
Question. Alkaline hydrolysis of esters is known as :
(a) Esterification
(b) Saponification
(c) dehydration
(d) alkalination
Answer
B
Question. Palmitic acid and stearic acid are used as :
(a) medicine
(b) soap
(c) antiseptic cream
(d) pickle
Answer
B
Question. Soaps can be classified as :
(a) esters
(b) salts of fatty acids
(c) alcohols
(d) phenols
Answer
B
Question. Cetyltrimethyl ammonium bromide is a popular
(a) anionic detergent
(b) cationic detergent
(c) non-ionic detergent
(d) sweetener
Answer
B
Question. Which of the following acts as an antioxidant in edible oils
(a) Vitamin B
(b) Vitamin C
(c) Vitamin D
(d) Vitamin E
Answer
D
Question. Which of the following artificial sweetener does not provide calories?
(a) Alitame
(b) Aspartame
(c) Sucralose
(D) Both (b) and (c)
Answer
C
Question. Polyethyleneglycols are used in the preparation of which type of detergents?
(a) Cationic detergents
(b) Anionic detergents
(c) Non-ionic detergents
(d) Soaps
Answer
C
Question. Which of the following add nutritive value to food?
(a) Sweeteners
(b) Antioxidants
(c) Fat emulsifiers
(d) None of these
Answer
D
Question. Which type of detergent is formed when stearic acid reacts with polyethylene glycol?
(a) Cationic detergent
(b) Anionic detergent
(c) Non– ionic detergent
(d) None of these
Answer
C
Question. Commercial detergent contains mainly
(a) RCOONa
(b) RONa
(c) RSNa
(d) RSO3Na
Answer
D
Question. Washing soap can be prepared by saponification with alkali of which of the following oil
(a) Rose oil
(b) Paraffin oil
(c) Groundnut oil
(d) Kerosene oil
Answer
C
STATEMENT TYPE QUESTIONS
Question. Which of the following statements are correct?
(i) Detergents give foam easily even in hard water.
(ii) Anionic detergents are used in toothpastes.
(iii) Cationic detergents being inexpensive are extensively used as germicide.
(iv) Detergents with linear alkyl chains are more polluting as compared to detergents having branched alkyl chains.
Which of the following is the correct code for the statements above?
(a) TFTF
(b) TFFT
(c) FFFT
(d) TTFF
Answer
D
Question. Which of the following statements are correct?
(i) Before 1970 for treatment of stomach acidity Al(OH)3 is a better antacid in comparison to NaHCO3 .
(ii) Discovery of cimetidine was a major break through in the treatment of hyperacidity.
(iii) Terfenadine is a drug which competes with histamine for binding sites of receptor.
(iv) Antidepressant drugs like equanil inhibit the enzymes which catalyze the degradation of noradernaline.
(v) Veronal and luminal belongs to the class of tranquilizers called barbiturates.
(a) (i), (ii) and (iii)
(b) (i), (iii) and (v)
(c) (ii), (iii) and (iv)
(d) (ii), (iv) and (v)
Answer
B
Question. Which of the following statements are incorrect about receptor proteins?
(i) Majority of receptor proteins are embedded in the cell membranes.
(ii) The active site of receptor proteins opens on the inside region of the cell.
(iii) Chemical messengers are received at the binding sites of receptor proteins.
(iv) Shape of receptor doesn’t change during attachment of messenger.
(a) (i), (ii) and (iii)
(b) (ii) and (iv)
(c) (ii), (iii) and (iv)
(d) (i) and (iv)
Answer
B
Question. Which of the following statements are correct?
(i) Cationic detergents have germicidal properties
(ii) Bacteria can degrade the detergents containing highly branched chains.
(iii) Some synthetic detergents can give foam even in ice cold water.
(iv) Synthetic detergents are not soaps.
(a) (i), (ii) and (iii)
(b) (i), (iii) and (iv)
(c) (ii), (iii) and (iv)
(d) (iii) and (iv)
Answer
B
Question. Consider the following statements.
(i) Potassium soaps are soft to the skin than sodium soaps.
(ii) Shaving soaps contain ethanol to prevent rapid drying.
(iii) Builders like Na2CO3 and Na3PO4 make soaps act more rapidly.
(iv) Hard water contains Ca2+ and Mg2+ ions which forms insoluble Ca2+ and Mg2+ soaps separates out as scum.
Which of the following is the correct code for the statements above ?
(a) TFTT
(b) FTTT
(c) FTFT
(d) TTTT
Answer
A
Question. Which of the following statements are incorrect about penicillin?
(i) An antibacterial medicine.
(ii) Ampicillin is its synthetic modification.
(iii) It has bacteriostatic effect.
(iv) It is a broad spectrum antibiotic.
(a) (i) and (ii)
(b) (ii) and (iv)
(c) (iii) and (iv)
(d) (i) and (ii)
Answer
C
Question. Consider the following statements.
(i) Antiseptics are not ingested like antibiotics.
(ii) 1% solution of iodine in alcohol–water mixture is known as tincture of iodine.
(iii) SO2 in low concentrations are used as antiseptics whereas in higher concentration are used as disinfectants.
(iv) Birth control pills essentially contain a mixture of synthetic estrogen and progesterone derivates.
Which of the following is the correct code for the statements above ?
(a) FTFT
(b) TTTF
(c) TFFT
(d) FFTT
Answer
C
MATCHING TYPE QUESTIONS
Question. Match the columns
Column-I Column-II
(A) Ranitidine (p) Tranquilizer
(B) Furacine (q) Antibiotic
(C) Phenelzine (r) Antihistamine
(D) Chloramphenicol (s) Antiseptic
(a) A – (r), B – (s), C – (p), D – (q)
(b) A – (s), B – (p), C – (q), D – (r)
(c) A – (p), B – (q), C – (r), D – (s)
(d) A – (q), B – (r), C – (s), D – (p)
Answer
A
Question. Match the columns
Column -I Column -II
(A) Toilet soap (p) Made by beating
tiny air bubbles before
their hardening.
(B) Transparent soap (q) Contain glycerol
to prevent rapid drying.
(C) Shaving soaps (r) Prepared by
using better grades of
fats and oils.
(D) Soaps that float in (s) Made by dissolving
water the soap in ethanol
and then evaporating
excess alkali.
(a) A – (s), B – (p), C – (q), D – (r)
(b) A – (r), B – (s), C – (q), D – (p)
(c) A – (r), B – (q), C – (p), D – (s)
(d) A – (q), B – (s), C – (p), D – (r)
Answer
B
Question. Match the columns
Column – I Column – II
(A) First antibacterial drug (p) Broad spectrum antibiotic
(B) Protosil (q) Arsphenamine
(C) Chloramphenicol (r) 1932
(D) Ofloxacin (s) 1947
(a) A – (q), B – (r), C – (p, s), D – (p)
(b) A – (r), B – (q), C – (p, s), D – (p)
(c) A – (q), B – (p, s), C – (r), D – (p)
(d) A – (p), B – (r), C – (p, s), D – (q)
Answer
A
Question. Match the columns
(a) A – (p), B – (q), C – (r), D – (s)
(b) A – (q), B – (r), C – (p), D – (s)
(c) A – (r), B – (s), C – (q), D – (p)
(d) A – (p), B – (r), C – (q), D – (s)
Answer
C
Question. Match the columns
Column-I Column-II
(A) Sodium Perborate (p) Disinfectant
(B) Chlorine (q) Antiseptic
(C) Bithional (r) Milk bleaching agent
(D) Potassium stearate (s) Soap
(a) A – (p), B – (q), C – (r), D – (s)
(b) A – (q), B – (r), C – (s), D – (p)
(c) A – (r), B – (p), C – (q), D – (s)
(d) A – (s), B – (p), C – (q), D – (r)
Answer
C
ASSERTION-REASON TYPE QUESTIONS
Directions : Each of these questions contain two statements,
Assertion and Reason. Each of these questions also has four
alternative choices, only one of which is the correct answer. You have to select one of the codes (a), (b), (c) and (d) given below.
(a) Assertion is correct, reason is correct; reason is a correct explanation for assertion.
(b) Assertion is correct, reason is correct; reason is not a correct explanation for assertion
(c) Assertion is correct, reason is incorrect
(d) Assertion is incorrect, reason is correct.
Question. Assertion : Equanil is a tranquilizer.
Reason : Equanil is used to cure depression and hypertension.
Answer
A
Question. Assertion : Sodium chloride is added to precipitate soap after saponification.
Reason : Hydrolysis of esters of long chain fatty acids by alkali produces soap in colloidal form.
Answer
B
Question. Assertion : Tetracycline is a broad spectrum antibiotic.
Reason : Tetracyclin is effective against a number of types of bacteria, large viruses and typhus fever.
Answer
A
Question. Assertion : The drugs which act on the central nervous system and help in reducing anxiety are called antibiotics.
Reason : Pencillin is an antibiotic.
Answer
D
Question. Assertion : Sedatives are given to patients who are mentally agitated and violent.
Reason : Sedatives are used to suppress the activities of central nervous system.
Answer
A
Question. Assertion : Non-competitive inhibitor inhibits the catalyic activity of enzyme by binding with its active site.
Reason : Non-competitive inhibitor changes the shape of the active site in such a way that substrate can’t recognise it.
Answer
A
Question. Assertion : Antiseptics are applied to living tissues.
Reason : Iodine is a powerful antiseptic.
Answer
B
CRITICAL THINKING TYPE QUESTIONS
Question. The artificial sweetener containing chlorine that has the appearance and taste as that of sugar and is stable at cooking temperature is
(a) Aspartame
(b) Saccharin
(c) Sucrolose
(d) Alitame
Answer
B
Question. Which one of the following is an antihistamine?
(a) Iproniazid
(b) Salvarsan
(c) Zantac
(d) Chloramphenicol
Answer
C
Question. Which of the following are sulpha drugs?
(i) Sulphapyridine (ii) Prontosil
(iii) Salvarsan (iv) Nardil
(a) (i) and (ii)
(b) (ii) and (iv)
(c) (i), (ii) and (iv)
(d) (ii), (iii) and (iv)
Answer
A
Question. Amoxillin is semi-synthetic modification of
(a) penicillin
(b) streptomycin
(c) tetracycline
(d) chloroampheniol
Answer
A
Question. Which of the following is an example of liquid dishwashing detergent?
Answer
B
Question. Which of the following is used as an antibiotic ?
(a) Ciprofloxacin
(b) Paracetamol
(c) Ibuprofen
(d) Tocopherol
Answer
A
Question. Among the following antihistamines, which are antacids
(i) Ranitidine (ii) Brompheniramine
(iii) Terfenadine (iv) Cimetidine
(a) (i) and (iii)
(b) (i), (ii) and (iv)
(c) (i) and (iv)
(d) (ii) and (iii)
Answer
C
Question. Select the incorrect statement.
(a) Equanil is used to control depression and hypertension.
(b) Mifepristone is a synthetic steroid used as “morning after pill”.
(c) 0.2 percent solution of phenol is an antiseptic while its 1.0 percent solution is a disinfectant.
(d) A drug which kills the organism in the body is called bacteriostatic
Answer
D
Question. Antiseptic chloroxylenol is
(a) 4-chloro-3, 5-dimethylphenol
(b) 3-chloro-4, 5-dimethylphenol
(c) 4-chloro-2, 5-dimethylphenol
(d) 5-chloro-3, 4-dimethylphenol
Answer
A
Question. Morphine is
(a) an alkaloid
(b) an enzyme
(c) a carbohydrate
(d) a protein
Answer
B
Question. Which of the following is not correctly matched?
(i) Proteins that are – Receptors crucial to body’s communication process.
(ii) Drugs that mimic – Antagonists the natural messenger by switching on the receptor.
(iii) Drugs that binds to – Agonists the receptor site and inhibit its natural function.
(a) (ii) only
(b) (iii) only
(c) (i) and (iii)
(d) (ii) and (iii)
Answer
D
Question. Which of the following drug inhibits the synthesis of chemicals known as prostaglandins which stimulate inflammation in tissue and cause pain?
(a) Barbiturates
(b) Aspirin
(c) Seldane
(d) Iproniazid
Answer
B
Question. H1 – Receptor antagonists is a term associated with :
(a) Antiseptics
(b) Antihistamins
(c) Antacids
(d) Analgesics
Answer
A
Question. Which of the following antibiotics is not correctly classified?
Bactericidal Bacteriostatic
(A) Penicillin Erythromycin
(B) Aminoglycosides Tetracycline
(C) Chloramphenicol Ofloxacin
(a) A and B
(b) C only
(c) B and C
(d) B only
Answer
B
Question. Which of the following is an example of synthetic progesterone derivative which is most widely used as antifertility drug?
(a) Norethindrone
(b) Novestrol
(c) Ethynylestradiol
(d) All of these
Answer
A
Question. A large number of antibiotics have been isolated from
(a) Bacteria actinomycetes
(b) Acids
(c) Alkanals
(d) Bacteria rhizobium
Answer
A
Question. Substance used for the preservation of coloured fruit juices is
(a) benzene
(b) benzoic acid
(c) phenol
(d) sodium meta bisulphite
Answer
B
Question. Benzalkonium chloride is a
(a) cationic surfactant and antiseptic
(b) anionic surfactant and soluble in most of organic solvents
(c) cationic surfactant and insoluble in most of organic solvents
(d) cationic surfactant and antimalarial
Answer
A
Question. Antibiotics that are effective mainly against Gram-positive or Gram-negative bacteria X. Antibiotics that are effective against a single organism or disease are Y What is X and Y ?
(a) X = Broad spectrum antibiotics.
Y = Narrow spectrum antibiotics.
(b) X = Broad spectrum antibiotics.
Y = Limited spectrum antibiotics.
(c) X = Narrow spectrum antibiotics.
Y = Limited spectrum antibiotics.
(d) X = Narrow spectrum antibiotics.
Y = Broad spectrum antibiotics.
Answer
C
Question. Which one of the following is not used as a filler in laundry soaps?
(a) Sodium silicate
(b) Glycerol
(c) Sodium rosinate
(d) Borax
Answer
B
Question. Bactericidal antibiotics are those which
(a) have inhibitory effect on microbes.
(b) have killing effect on microbes.
(c) have both inhibitory and killing effect on microbes.
(d) intervene in metabolic process of microorganism.
Answer
B
Question. Which of the following statements is incorrect?
(a) Saccharin is about 550 times as sweet as cane sugar.
(b) Aspartame is used in the manufacture of baked sweets.
(c) Alitame is more sweet than saccharin and aspartame.
(d) Sodium benzoate is commonly used preservative.
Answer
B