The gas evolved by the action of dilute hydrochloric acid on marble chips is:

hydrogen

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sulphur dioxide

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oxygen

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carbon dioxide

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Solution

The correct option is C carbon dioxide
Tha gas evolved in marble chips is $C O_{2}$ and the reaction is as:
$C a C O_{3} + H C l \to C a C l_{2} + H_{2} O + C O_{2}$

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Q. Name the gas evolved in each of the following cases:
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(iv) Action of dilute sulphuric acid on sodium carbonate.
(v) Addition of sodium to cold water.

Q. Dilute hydrochloric acid reacts with marble chips to produce a gas X. When gas X is passed through limewater, a white precipitate Y is formed. Identify X and Y.

[1 mark]

Q. When zinc reacts with dilute hydrochloric acid, the gas evolved is:

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Dilute acids like hydrochloric acid (HCl), sulphuric acid $H_{2} S O_{4}$ react with certain active metals to evolve hydrogen gas and form their metallic salts.

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The gas evolved by the action of dilute hydrochloric acid on marble chips is:

The correct option is C carbon dioxideTha gas evolved in marble chips is CO2 and the reaction is as:CaCO3+HCl→CaCl2+H2O+CO2

The correct option is C carbon dioxide
Tha gas evolved in marble chips is $C O_{2}$ and the reaction is as:
$C a C O_{3} + H C l \to C a C l_{2} + H_{2} O + C O_{2}$