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Science (English Medium) Class 12 - CBSE Question Bank Solutions for Chemistry

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Chemistry
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Compound which is added to soap to impart antiseptic properties is ______.

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
Concept: undefined >> undefined

Compounds with antiseptic properties are:

(i) \[\ce{CHCl3}\]

(ii) \[\ce{CHI3}\]

(iii) Boric acid

(iv) 0.3 ppm aqueous solution of \[\ce{Cl2}\]

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
Concept: undefined >> undefined

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Which of the following are sulpha drugs?

(i) Sulphapyridine

(ii) Prontosil

(iii) Salvarsan

(iv) Nardil

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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Which of the following are antidepressants?

(i) Iproniazid

(ii) Phenelzine

(iii) Equanil

(iv) Salvarsan

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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Which of the following statements are incorrect about penicillin?

(i) An antibacterial fungus.

(ii) Ampicillin is its synthetic modification.

(iii) It has bacteriostatic effect.

(iv) It is a broad-spectrum antibiotic.

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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What is the average molecular mass of drugs?

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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What are antiseptics?

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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Which type of drugs come under antimicrobial drugs?

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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What is the harmful effect of hyperacidity?

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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What is the commonality between the antibiotic arsphenamine and azodye?

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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Aspirin is pain relieving antipyretic drug but can be used to prevent heart attack. Explain.

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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What is the scientific explanation for the feeling of depression?

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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What is the basic difference between antiseptics and disinfectants?

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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Between sodium hydrogen carbonate and magnesium hydroxide which is a better antacid and why?

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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What is the mode of action of antimicrobial drugs?

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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Match the medicines given in Column I with their use given in Column II.

Column I Column II
(i) Ranitidine (a) Tranquilizer
(ii) Furacine (b) Antibiotic
(iii) Phenelzine (c) Antihistamine
(iv) Chloramphenicol (d) Antiseptic
  (e) Antifertility drug
[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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Match the classes of drugs given in Column I with their action given in Column II.

Column I Column II
(i) Analgesics (a) Inhibit the growth of microorganisms can be given orally
(ii) Antiseptics (b) Treatment of stress
(iii) Antihistamines (c) Applied to inanimate objects
(iv) Antacids (d) Prevents the interaction of histamine with its receptor
(v) Tranquilisers (e) Pain killing effect
(vi) Antibiotics (f) Applied to diseased skin surfaces
(vii) Disinfectants (g) Treatment of acidity
[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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Assertion: Sulpha drug contain sulphonamide group.

Reason: Salvarsan is a sulpha drug.

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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In what respect do prontosil and salvarsan resemble. Is there any resemblance between azo dye and prontsil? Explain.

[16] Chemistry in Everyday Life
Chapter: [16] Chemistry in Everyday Life
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Account for the following:

Acylation of aniline is carried out in the presence of pyridine.

[9] Amines
Chapter: [9] Amines
Concept: undefined >> undefined
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