Chemistry in Everyday Life MCQ Questions & Answers in Organic Chemistry | Chemistry
Learn Chemistry in Everyday Life MCQ questions & answers in Organic Chemistry are available for students perparing for IIT-JEE, NEET, Engineering and Medical Enternace exam.
31.
An ester which is used as a medicine
A
ethyl acetate
B
methyl acetate
C
methyl salicylate
D
ethyl benzoate
Answer :
methyl salicylate
Methyl salicylate is commonly known as 'aspirin' and used as an analgesic.
32.
Structuraly biodegradable detergents, should contain
A
normal alkyl chain
B
branched alkyl chain
C
phenyl side chain
D
cyclohexyl side chain
Answer :
branched alkyl chain
Structurally, biodegradable detergents should contain branched alkyl chain.
33.
Which one of the following can possibly be used as analgesic without causing addiction and mood modification ?
A
Diazepam
B
Morphine
C
$$N$$ - acetyl - para - aminophenol
D
Tetrahydrocannabinol
Answer :
$$N$$ - acetyl - para - aminophenol
We know that $$N$$ - acetyl - para - aminophenol ( or paracetamol ) is an antipyretic which can also be used as an analgesic to relieve pains.
34.
______ and ______ are useful antioxidants for wine and beer.
A
Sulphur trioxide and sulphate
B
$$BHT$$ and $$BHA$$
C
Sulphur dioxide and sulphite
D
None of these
Answer :
Sulphur dioxide and sulphite
No explanation is given for this question. Let's discuss the answer together.
35.
Aspirin is an acetylation product of
A
$$o$$ - hydroxybenzoic acid
B
$$o$$ - hydroxybenzene
C
$$m$$ - hydroxybenzoic acid
D
$$p$$ - dihydroxybenzene
Answer :
$$o$$ - hydroxybenzoic acid
Structure of Aspirin is
It is prepared by the reaction of acetic anhydride with salicyclic acid in the presence of a catalyst $$\left( {{H_2}S{O_4}} \right)$$
36.
Which of the following chemicals can be added for sweetening of food items at cooking temperature and does not provide calories?
A
Sucrose
B
Glucose
C
Aspartame
D
Sucralose
Answer :
Sucralose
Sucralose is trichloro derivative of sucrose. Its appearance and taste are like sugar. It is stable at cooking temperature and does not provide calories.
37.
Which of the following statements is not correct?
A
Some antiseptics can be added to soaps.
B
Dilute solutions of some disinfectants can be used as antiseptic.
C
Disinfectants are antimicrobial drugs.
D
Antiseptic medicines can be ingested.
Answer :
Antiseptic medicines can be ingested.
Antiseptic medicines cannot be ingested.
38.
$${H_1} - $$ Receptor antagonists is a term associated with :
A
Antiseptics
B
Antihistamins
C
Antacids
D
Analgesics
Answer :
Antihistamins
The term “antihistamine” refers only to $${H_1}$$ antagonists, which is also known as $${H_1}$$ - receptor antagonists and $${H_1}$$ antihistamine.
39.
Which of the following statements is not correct?
A
Antiseptics can be safely applied to the living tissues.
B
Antiseptics can be incorporated into deodorants, face powders and soaps.
C
Disinfectants can also be applied to the skin safely.
D
A very dilute solution of a few disinfectants can be used as antiseptics.
Answer :
Disinfectants can also be applied to the skin safely.
Disinfectants are harmful to the living tissues hence they are not applied to the skin.
40.
An artificial sweetener which is derivative of sucrose is
A
saccharine
B
sucralose
C
sucrobenzamide
D
aspartame
Answer :
sucralose
Sucralose is trichloro derivative of sucrose. Its appearance and taste are like sugar.