Chapter 32

A Complete Resource Book in Chemistry for JEE Main · 86 exercises

Problem 1

The dye which forms colour on the surface of a fabric by interaction of two compounds is (a) azo dye (b) vat dye (c) mordant dye (d) basic dye

3 step solution

Problem 2

The most useful dye for those fabrics which can form hydrogen bonds is (a) mordant dyes (b) vat dyes (c) acid dyes (d) direct dyes

4 step solution

Problem 3

The dye which is colourless in reduced form but becomes coloured by oxidizing agent is (a) mordant dye (b) vat dye (c) acid dye (d) none

3 step solution

Problem 4

Which organic dye is used as an effective antiseptic? (a) orange-I (b) congo red (c) methylene blue (d) none of these

3 step solution

Problem 7

Which of the following dye has a nitro group? (a) phenolphthalein (b) indigo (c) malachite green (d) martius yellow

6 step solution

Problem 9

Alum is used by dyers of cloth (a) as water purifier (b) as mordant (c) for fire proofing fabrics (d) for softening hard water

6 step solution

Problem 10

An acid dye has no affinity for (a) wool (b) nylon (c) cotton (d) silk

4 step solution

Problem 11

Which of the following is a basic dye? (a) alizarin (b) indigo (c) aniline yellow (d) congo red

3 step solution

Problem 12

Methyl orange is an example of which type of dye? (a) acid dye (b) mordant dye (c) azo dye (d) both (a) and (b)

5 step solution

Problem 13

The substance used in the preparation of malachite green is (a) benzaldehyde (b) acetone (c) formaldehyde (d) acetaldehyde

3 step solution

Problem 14

The indicator used in the titration of a strong acid and a strong base is (a) alizarin yellow (b) phenolphthalein (c) red litmus (d) methyl orange

4 step solution

Problem 15

With which cation alizarin will impart a blue colour on the fabric? (a) \(\mathrm{Fe}^{3+}\) (b) \(\mathrm{Al}^{3+}\) (c) \(\mathrm{Cr}^{3+}\) (d) \(\mathrm{Ba}^{2+}\)

3 step solution

Problem 16

Antipyretics are medical compounds which (a) relieve pain (b) control malaria (c) can kill other organisms (d) lower body temperature

4 step solution

Problem 17

The chemical extracted from the plant Rauwolfia serpentina is (a) quinine (b) reserpine (c) aspirin (d) phenacetin

3 step solution

Problem 18

Barbituric acid is used as (a) a tranquilizer (b) an antibiotic (c) an antipyretic (d) an antiseptic

3 step solution

Problem 19

Which among the following is the correct statement? (a) antibiotics kill bacteria (b) analgesics relieve pain (c) antipyretics reduce body temperature (d) all

3 step solution

Problem 20

Which of the following is used for the treatment of 3 tuberculosis? (a) chloramphenicol (b) aspirin (c) streptomycin (d) pencillin

3 step solution

Problem 21

Which among the following is the correct statement? (a) chloroamphenicol is a broad spectrum antibiotic (b) tetra cycline is broad spectrum (c) pencillin is a narrow spectrum antibiotic (d) all of these

3 step solution

Problem 22

Which of the following is an anti-diabetic drug? (a) insulin (b) aspirin (c) penicillin (d) chloroquine

3 step solution

Problem 23

Which is used as an antiseptic? (a) iodoform (b) tincture of iodine (c) \(0.2\) of solution of phenol (d) all of these

6 step solution

Problem 25

Which of the following antiseptics is a dye? (a) phenol (b) iodoform (c) acriflavin (d) silver nitrate

6 step solution

Problem 26

Which of the following is not an antiseptic drug? (a) lindane (b) dettol (c) gentian violet (d) iodoform

2 step solution

Problem 27

Which of the following is a general anesthetic? (a) cocaine (b) nitrous oxide (c) xylocaine (d) procaine

6 step solution

Problem 28

Which one of the following is an antibiotic? (a) aspirin (b) analgin (c) phenacetin (d) penicillin

6 step solution

Problem 29

Benzene hexachloride is used as (a) dye (b) insecticide (c) antimalerial drug (d) antibiotic

3 step solution

Problem 30

A broad spectrum antibiotic is (a) penicillin (b) paracetamol (c) chloramphenicol (d) aspirin

6 step solution

Problem 31

Which among these is a hypnotic drug? (a) metaldehyde (b) acetaldehyde (c) paraldehyde (d) none of these

3 step solution

Problem 32

An ester used as a medicine is (a) methyl acetate (b) ethyl acetate (c) ethyl benzoate (d) methyl salicylate

6 step solution

Problem 33

Which of the following analgesics is not habit forming? (a) morphine (b) aleroin (c) aspirin (d) codein

3 step solution

Problem 34

Which of the following are surjactants? (I) \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{15}-\left(\mathrm{N}\left(\mathrm{CH}_{3}\right)_{3} \overline{\mathrm{Br}}\right)\) (II) \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}\right)_{14}-\mathrm{CH}_{2} \mathrm{NH}_{2}\) (III) \(\mathrm{CH}_{3}-\left(\mathrm{CH}_{2}-\right)_{16}-\mathrm{CH}_{2} \mathrm{O} \mathrm{SO}_{3} \mathrm{Na}\) (IV) \(\mathrm{OHC}-\left(\mathrm{CH}_{2}\right)_{14}-\mathrm{CH}_{2}\left(\mathrm{COO}^{-} \mathrm{Na}\right)\) (a) I, II, III (b) II, III, IV (c) I, III, IV (d) I, II, III, IV

6 step solution

Problem 35

Chloramphenicol is used to treat (a) dysentery (b) typhoid (c) acute fever (d) all

5 step solution

Problem 36

Which among these is a sulpha drug? (a) sulphadiazine (b) sulphaguanidine (c) sulphanilamide (d) all of these

3 step solution

Problem 37

2-acetoxybenzoic acid is a/an (a) antiseptic (b) mordant dye (c) antibiotic (d) aspirin

4 step solution

Problem 38

Which of the following is an analgesic? (a) streptomycin (b) penicillin (c) chloramphenicol (d) paracetamol

3 step solution

Problem 39

Arsenic drugs are mainly used in the treatment of (a) cholera (b) syphilis (c) jaundice (d) typhoid

3 step solution

Problem 40

Which of the following is used for inducing sleep? (a) bithional (b) barbituric acid derivatives (c) paracetamol (d) chloroquine

3 step solution

Problem 41

The drug administired during hypertension is (a) equanil (b) aspirin (c) streptomycin (d) chloroxylenol

5 step solution

Problem 42

Which one is a protein fibre? (a) rayon (b) cotton (c) polyester (d) silk

3 step solution

Problem 43

Which is incorrect in relation to statement rocket propellants? (a) fast rate of combustion (b) combustion should produce a large volume of gases (c) combustion should produce a small volume of gases (d) ashless

5 step solution

Problem 44

Which of the following is used as an oxidizer in rocket propellents? (a) liquid hydrogen (b) nitric acid (c) liquid hydrazine (d) kerosene oil

3 step solution

Problem 45

What type for propellant was used in SLV-3 (India)? (a) \(\mathrm{UDMH}+\) liquid \(\mathrm{N}_{2} \mathrm{O}_{4}\) (b) \(\mathrm{MMH}+\) liquid \(\mathrm{N}_{2} \mathrm{O}_{4}\) (c) kerosene + liquid oxygen (d) composite solid propellent

3 step solution

Problem 46

A mixture of nitro cellulose and nitro glycerine is a (a) double base propellent (b) monopropellent (c) hybrid propellent (d) biliquid propellent

4 step solution

Problem 47

Thrust imparted to the rocket is governed by the (a) gravitational law (b) third law of thermodynamics (c) Newton's third law (d) none of the above

4 step solution

Problem 48

SLV-3 uses which of the following propellant? (a) liquid (b) solid (c) biliquid (d) solid-liquid

3 step solution

Problem 49

An example of a liquid propellant is (a) \(\mathrm{H}_{2} \mathrm{SO}_{4}+\) hydrazine (b) \(\mathrm{HNO}_{3}+\mathrm{HCl}\) (c) liquid \(\mathrm{N}_{2} \mathrm{O}_{4}+\) kerosene (d) none of these

6 step solution

Problem 51

Which of the following dyes does not have antiseptic properties? (a) gentian violet (b) phenolphthalin (c) methylene blue (d) both (a) and (c)

4 step solution

Problem 52

Point out the correct statements about antibiotics. (1) pencillin was discovered by Fleming (2) phenactine is a very important antibiotic (3) they are used in the treatment of infections diseases (4) they are produced by various organisms and fungi (a) 1,2 and 3 (b) 1,2 and 4 (c) 1,3 and 4 (d) 2,3 and 4

5 step solution

Problem 53

Which dye is obtained from plants? (a) indigo (b) orange-I (c) aniline yellow (d) none

3 step solution

Problem 54

Which of the following is a synthetic dye? (a) phenolphthalein (b) alizarin (c) martius yellow (d) malachite green

4 step solution

Problem 56

Which of the following is used as a tranquilizer? (a) seconal (b) luminal (c) barbituric acid derivatives (d) all of these

3 step solution

Show/ page