The insecticide containing 99% γ-isomer of benzene hexachloridc is known as:

(a) lindane

(b) TNT

(c) malathion

(d) methoxychlor

Subtopic:  Classification of Medicines | Soaps & Detergents, Dyes & Propellant |
 52%
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The poisonous gas evolved in Bhopal tragedy from the pesticide plant of Union Carbide Co. was:

(a) CO                    (b) methyl isocyanate

(c) phosgene          (d) chloropicrin

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 91%
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Oil of winter green and salol are the esters of:

1. salicylic acid

2. lactic acid

3. acetic acid

4. sulphanilic acid

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 86%
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Which is correct about saccharin?

1. It is 

2. It is 550 times sweeter than sugar

3. It is used as sweetening agent

4. All of the above

Subtopic:  Food - Preservatives, Artificial Sweeteners & Antioxidants |
 95%
From NCERT
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Which of the following is an example of basic dye ?
(a) Alizarin
(b) Malachite green
(c) Indigo
(d) Orange I

Subtopic:  Soaps & Detergents, Dyes & Propellant |
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Which of the following is not a chromophore?

(a) —N=N—

(b) —NO

(c) —NO2

(d) —NH2

Subtopic:  Soaps & Detergents, Dyes & Propellant |
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Which of the following groups is not an auxochrome ?
(a)-N(CH3)2
(b)-OH
(c)-OCH3
(d) >C=N

Subtopic:  Soaps & Detergents, Dyes & Propellant |
 53%
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The compounds used to fix a dye to fabric is known as:

(a) mordant                     (b) azeotrope

(c) bleaching agents         (d) lake

Subtopic:  Classification of Medicines |
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Which one is disperse dye?
(a) Congo red
(b) Alizarin
(c) Celliton
(d) None of these

Subtopic:  Soaps & Detergents, Dyes & Propellant |
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Alizarin a mordant dye is not used in:

(a) cotton dyeing

(b) printing

(c) painting

(d) Chromium lakes for wood dyeing 

Subtopic:  Soaps & Detergents, Dyes & Propellant |
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