Question

?Add 5 ml diluted hydrochloric acid to a piece of magnesium taken in a test tube.
a, which is the gas liberated here?
b, what do you feel when you touch the bottom of the test tube?
c, why does the test tube get warm?
d, write the chemical equation of the reaction ​

Answer 1

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