Chapter 32

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

Problem 57

Which one of the following is not used as fuel in rocket propellants? (a) liquid oxygen (b) liquid hydrogen (c) liquid hydrazine (d) kerosene oil

6 step solution

Problem 58

Which one of the following will impart highest specific impulse? (a) \(\mathrm{NH}_{3}+\mathrm{F}_{2}\) (b) \(\mathrm{H}_{2}+\mathrm{O}_{2}\) (c) Alcohol \(+\mathrm{O}_{2}\) (d) \(\mathrm{H}_{2}+\mathrm{F}_{2}\)

4 step solution

Problem 59

If a compound absorbs in the wave length region corresponding to green, then it will appear (a) red (b) violet (c) green (d) orange

3 step solution

Problem 60

Specific impulse of a rocket and the critical temperature of the fuel reacted in the motor of the rocket has the relationship. (a) \(\mathrm{I}_{\mathrm{s}} \propto \sqrt{(\mathrm{T} c)}\) (b) \(\mathrm{I}_{\mathrm{s}} \propto \mathrm{Tc}\) (c) \(\mathrm{I}_{\mathrm{s}} \propto \sqrt{(1 / \mathrm{Tc})}\) (d) \(I_{s} \propto 1 / T_{c}\)

7 step solution

Problem 62

Which of the following statements is true? (1) some disinfectants can be used as antiseptics in lower concentrations (2) sulphadiazine is a synthetic antibacterial (3) ampicillin is a natural antibiotic (4) aspirin is an analgesic and an antipyretic (a) 1,2 and 3 (b) 1,2 and 4 (c) 2,3 and 4 (d) 1,3 and 4

5 step solution

Problem 63

Asprin is an (a) antimalarial (b) analgesic (c) antipyretic (d) both analgesic and antipyretic

3 step solution

Problem 64

Which of the following is not an antibiotic? (1) morphine (2) terramycin (3) D-pencillamine (4) chloromycetin (a) 1 only (b) 2 only (c) 1 and 2 (d) 2 and 3

4 step solution

Problem 65

The drug used for treatment of typhoid is (a) quinine (b) chloromycetin (c) novalgin (d) paracetamol

3 step solution

Problem 67

Which compound is used in synthesis of dyes? (a) phenol (b) naphthol (c) toluene (d) all

3 step solution

Problem 68

The dye which requires mordant is (a) vat dye (b) alizarine (c) indigo (d) orange-I

4 step solution

Problem 70

Amoxillin is a semi-synthetic modification of (a) tetracycline (b) chloroampheniol (c) penicillin (d) streptomycin

4 step solution

Problem 72

Which of the following are true? (1) aspirin is an analgesic as well as an antipyretic (2) some disinfectants can be used as antiseptics (3) sulphadiazine is a synthetic antibacterial (a) 2 and 3 (b) 1 and 2 (c) 1 and 3 (d) 1,2 and 3

4 step solution

Problem 73

Among the following, which one of them is not the correct match? (a) indigo (azo dye) (b) keratin (protein) (c) lipase (ester) (d) silk (polyamide)

6 step solution

Problem 76

During the deepening of the colour of a dye, the absorption shifts towards red. This shifting is called (a) bathochromic shift (b) hypochromic shift (c) hyperchromic shift (d) auxochromic shift

3 step solution

Problem 77

Which of the following can possibly by used as analgesic without causing addiction and any modification? (a) Diazepam (b) Tetra hydrocatenol (c) Morphine (d) N-acetyl para-aminophenol

6 step solution

Problem 78

Phenyl diazonium chloride forms an azo dye with 1\. aniline 2\. phenol 3\. N, N-dimethyl aniline 4\. anisole (or methoxybenzene) (a) 1,2 and 3 are correct (b) 2,3 and 4 are correct (c) 1,3 and 4 are correct (d) 1,2 and 4 are correct

4 step solution

Problem 79

Which of the following statements about carbon fibres are correct? (1) They can be made from viscose rayon (2) They are used for making nose tips of missiles (3) They have low thermal conductivity and used as insulators (4) They are used for making components of bone plates Select the correct answer. (a) 1,2 and 3 (b) 2 and 3 only (c) 1,2 and 4 (d) 2 and 4 only

5 step solution

Problem 80

Which is correct about Aspirin? (a) It is Antipyretic (b) Calcium and Sodium salts of Aspirin are more soluble. (c) It is quite safe when taken empty stomach (d) It is Analgesics also.

4 step solution

Problem 81

Which of the following are Hypnotics? (a) Luminal (b) Seconal (c) Equanil (d) Naproxen

5 step solution

Problem 83

Which of the following are Anti-depressans its (a) Phenelzine (Nordil) (b) Benzedrine (c) Diazepam (d) Methamphetamine

6 step solution

Problem 84

Which of the following are Artificial Sweetening agents? (a) Cyclomate (b) Alitame (c) Sucrose (d) Aspartame

6 step solution

Problem 85

Sodium salts of which of these acids can be used in making Soaps? (a) Stearic Acid (b) Palmitic Acid (c) Tartaric Acid (d) Lauric Acid

4 step solution

Problem 86

Which of the following pair cannot be used as a Rocket Propellant? (a) Liquid \(\mathrm{H}_{2}+\) Liquid \(\mathrm{O}_{2}\) (b) Liquid \(\mathrm{O}_{2}+\) Liquid \(\mathrm{Ar}\) (c) Liquid \(\mathrm{H}_{2}+\) Liquid \(\mathrm{N}_{2}\) (d) Liquid \(\mathrm{O}_{2}^{2}+\) Liquid \(\mathrm{N}_{2} \mathrm{H}_{4}\)

4 step solution

Problem 87

Which of the follow can be used both as Antipyetic and Analgesics? (a) Butazoledene (b) Phenylbutazone (c) Aspirin (d) All of these

5 step solution

Problem 88

Which of the following cannot be used as an Antiseptic (a) Iodoform (b) Boric acid (c) \(1 \%\) solution of Phenol (d) Low concentrated solution of \(\mathrm{SO}\),

5 step solution

Problem 89

Select the incorrect statements? (a) Chloramphenicol is a board spectrum Antibiotic (b) Ampicillin and Amoxicillin are derivatives of Penicillin (c) Naproxen is an Analgesics (d) Barbitaric Acid is an Antibiotic.

7 step solution

Problem 91

Match list I with list II and select the correct answer using the code given below the lists. List I List II (chemotherapeutic (examples) agents) 1\. Antibiotic A. Chloroxylenol 2\. Antiseptic B. Chloampheniramine 3\. Analgesic C. Chloramphenicol 4\. Tranquilizer D. Diclophenac sodium E. Veronal Codes: (a) \(1-\mathrm{A}, 2-\mathrm{C}, 3-\mathrm{D}, 4-\mathrm{E}\) (b) \(1-\mathrm{B}, 2-\mathrm{A}, 3-\mathrm{D}, 4-\mathrm{E}\) (c) \(1-\mathrm{B}, 2-\mathrm{C}, 3-\mathrm{E}, 4-\mathrm{D}\) (d) \(1-\mathrm{C}, 2-\mathrm{A}, 3-\mathrm{D}, 4-\mathrm{E}\)

3 step solution

Problem 92

Match list I with list II and select the correct answer using the code given below the lists. List I \(\quad\) List II A. Peroxy acetyl nitrate 1\. Waste incineration B. Polyacyclic aromatic 2\. Global warming hydrocarbons C. Dioxins 3\. Photochemical smog D. Indigo 4\. Carcinogens E. IR active molecules 5\. Vat dye Codes (a) \(\mathrm{A}-3, \mathrm{~B}-4, \mathrm{C}-1, \mathrm{D}-5, \mathrm{E}-2\) (b) \(\mathrm{A}-1, \mathrm{~B}-2, \mathrm{C}-3, \mathrm{D}-4, \mathrm{E}-5\) (c) \(\mathrm{A}-3, \mathrm{~B}-5, \mathrm{C}-\mathrm{I}, \mathrm{D}-2, \mathrm{E}-4\) (d) \(\mathrm{A}-2, \mathrm{~B}-3, \mathrm{C}-5, \mathrm{D}-4, \mathrm{E}-1\)

5 step solution

Problem 93

Match the following: List I List II 1\. Iodoform (i) Anaesthetic 2\. Methyl salicylate (ii) Antiseptic 3\. Diethyl ether (iii) Insecticide 4\. Hexachlorocyclohexane (iv) Detergent (v) Pain balm The correct matching is: \(\begin{array}{llll}1 & 2 & 3 & 4\end{array}\) (a) (i) (iv) (ii) (v) (b) (iii) (iv) (i) (ii) (c) (ii) (v) (i) (iii) (d) (v) (iv) (i)

4 step solution

Problem 94

Match the following (a) Aspirin (p) Antipyretic (b) Paracetamol (q) Analgesics (c) \(0.2 \%\) Phenol (r) Antiseptic (d) \(1 \%\) Phenol (s) Disinfectant (t) Antihiot

5 step solution

Problem 95

Match the following (a) Antaacids (p) Omeprazole (b) Antihistamine (q) Enovid-E (c) Anti malarial (r) Dipheyl hydramine (d) Anti fertility (s) Chloroquine (t) Ranitidine

4 step solution

Problem 100

Which of the following could act as a propellant for rockets? (a) liquid hydrogen + liquid oxygen (b) liquid oxygen + liquid argon (c) liquid hydrogen + liquid nitrogen (d) liquid nitrogen + liquid oxygen

6 step solution

Problem 101

Which one of the following types of drugs reduces fever (a) analgesic (b) antipyretic (c) antibiotic (d) tranquilizer

3 step solution

Problem 102

Aspirin is known as- (a) Acetyl salicylate (b) Phenyl salicylate (c) Acetyl salicyclic acid (d) Methyl salicylic acid

3 step solution

Problem 103

Which of the following compounds is not an antacid? (a) Aluminium Hydroxide (b) Cimetidine (c) Phenelzine (d) Ranitidine

4 step solution

Problem 104

Which of the following is an Anionic detergent? (a) Glycerol oleate (b) Sodium lauryl sulphate (c) Cetyl trimethyl ammonium bromide (d) Sodium Stearate

6 step solution

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