Question

4) Write down the change that seen and explain reason.
Dilute HCl was added to limestone,​

Answer 1

Explanation:

Limestone is calcium carbonate. When limestone is added to a 10% solution of dilute HCl, then brisk effervescence of CO2 is released due to the reaction of acid with carbonate of metals.

Answer 2

Explanation:

Limestone is calcium carbonate. When limestone is added to a 10% solution of dilute HCI, then brisk effervescence of CO

2

is released due to the reaction of acid with carbonate of metals.

2HCl+CaCO

3

→CaCl

2

+CO

2

+H

2

O