In a reaction between zinc and hydrochloric acid, the changes accompanying a reaction are:

Evolution of gas and heat

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Evolution of steam

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Formation of precipitate

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Formation of dazzling white light

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Solution

The correct option is A
Evolution of gas and heat

Hydrogen gas and heat are produced in the reaction between zinc and hydrochloric acid.

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Similar questions

Q. Assertion :The reaction of zinc with hydrochloric acid goes to completion in an open container. Reason: Hydrogen gas is evolved from the reaction of zinc and hydrochloric acid.

Q. In the laboratory during preparation of hydrogen gas mention the changes that would occur. Also write the chemical reaction for the following changes?
@in place of zinc granules ,same amount of zinc dust is taken in the test tube
@instead of dilute sulphuric acid ,hydrochloric acid is taken
@in place of zinc, copper turnings are taken
@Sodium Hydroxide is taken in place of sulphuric acid and the tube is heated

Q. Zinc on reaction with hydrochloric acid produces gas.

Q. In a laboratory preparation of hydrogen gas, what would happen (write chemical reactions) if the following changes are made?
1) in place of zinc granules, same amount of zinc dust is taken in test tube
2) instead of dilute sulphuric acid, hydrochloric acid is taken
3) In place of zinc, copper turning are taken
4) sodium hydroxide is taken in place of sulphuric acid and tube is heated

When zinc reacts with dilute hydrochloric acid, zinc chloride is formed along with the evolution of gas X. The evolved gas is colourless, odourless and neutral to litmus. So, gas X is:

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In a reaction between zinc and hydrochloric acid, the changes accompanying a reaction are:

The correct option is A Evolution of gas and heatHydrogen gas and heat are produced in the reaction between zinc and hydrochloric acid.

The correct option is A
Evolution of gas and heat

Hydrogen gas and heat are produced in the reaction between zinc and hydrochloric acid.