Which of the following is not an azo dye

Which of the following is not an azo dye

Options

(a) Methyl orange (b) Congo red (c) Martius yellow (d) Aniline yellow

Correct Answer:

Martius yellow

Explanation:

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Serotonin is usually used as

Serotonin is usually used as

Options

(a) analgesic (b) tranquilizer (c) antiseptic (d) antioxidant

Correct Answer:

tranquilizer

Explanation:

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The rocket fule among the following is

The rocket fule among the following is

Options

(a) hydrazine (b) urea (c) helium (d) thiourea

Correct Answer:

hydrazine

Explanation:

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Chloropicrin is obtained by the reaction of

Chloropicrin is obtained by the reaction of

Options

(a) steam on carbon tetrachloride (b) nitric acid on chlorobenzene (c) chlorine on picric acid (d) nitric acid on chloroform

Correct Answer:

nitric acid on chloroform

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