Question 4

Identify the constituent of air from each of the following:

(a) The formation of water droplets on the outer surface of ice-cold lemon juice.

(b) A gas that turns lime-water milky.

(c) A gas that is a supporter of combustion.

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Solution

(a) Water vapour

(b) Carbon dioxide

(c) Oxygen

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Similar questions

Identify the compound which on reacting with sulphuric acid produces a gas that turns lime water milky.

When X gas is passed through lime water, it turns milky. The milkiness is caused due to the formation of Y. Identify X and Y from the following.

(A)

H C l - - \to

(B)

(B)

K_{2} C r_{2} O_{7}

(A)

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