Question

What happens when hydrochloric acid is added to sodium hydroxide in a test tube? Will the test tube feel hot
or cold on touch? Give reasons for your answer. Also write the word equation for the above reaction

Answer 1

Answer:

a colourless and odourless gas evolves with bubbles.

Explanation:

When dilute hydrochloric acid is added to granulated zinc placed in a test tube, a colourless and odourless gas is evolved with bubbles.

The chemical reaction can be written as:

Zn + 2HCl → ZnCl

2

+ H

2

Hence, the answer is a colourless and odourless gas evolves with bubbles.

Hope this helps you