[VSQ]Chemistry Q&A For All Competitive Exam||Set 07

Chemistry Q&A For All Competitive Exam

✱✱Q.1

The acid used for removing the stains of rust is

Oxalic acid.

✱✱Q.2

The most active form of carbon is

Charcoal.

✱✱Q.3

The first organic compound synthesized in laboratory is

Urea

✱✱Q.4

Marsh gas is chemically

Methane

✱✱Q.5

Brimstone is chemically

Sulphur.

✱✱Q.6

Bleaching action of bleaching powder is due to liberation of

Nascent oxygen

✱✱Q.7

Broken glass pieces used in the manufacture of glass is called

Cullet

✱✱Q.8

Sodium Nitrate is not used in gun powder because it is

Hygroscopic.

✱✱Q.9

The gas which smells like rotten egg is

Hydrogen Sulphide

✱✱Q.10

The gas that tums lime water milky or turbid is

Carbon dioxide

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