When formaldehyde and potassium hydroxide are heated




1. When formaldehyde and potassium hydroxide are heated, we get
(a) Acetylene
(b) Methyl alcohol
(c) Methane
(d) Ethyl formate

Ans.(b)

2. Type metal used in printing press is an alloy of
(a) lead and copper
(b) lead and antimony
(c) lead and bismuth
(d) lead and zinc

Ans.(b)

3. Aspirin is
(a) Methoxy benzoic acid
(b) Methyl Salicilate
(c) Acetyl Salicilic acid
(d) Phenyl Salicilate

Ans.(c)

4. The first metal used by a man was
(a) Copper
(b) Silver
(c) Bronze
(d) Brass

Ans.(a)

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