Question

The chemical substance which are shown with upward arrow mark in the chemical reaction are?​

Answer 1

Answer:

Upward arrow in a chemical reaction indicates the evolution of a gas. It appears only on the product side and is written next to the gaseous product.

Answer 2

Answer:

Upward arrow in a chemical reaction indicates the evolution of a gas. It appears only on the product side and is written next to the gaseous product....

Explanation:

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