Question

2. The following gas is released when metals reacts with an acid
a.CO
b.H
с.CO
d.CH​

Answer 1

Answer:

b. H

Hydrogen gas

I hope it is help full

Answer 2

Answer:

hydrogen gas is released when metals reacts with an acid

Explanation:

Because acids react with most metals and, when they do, a salt is produced. But unlike the reaction between acids and bases, we do not get water. Instead we get hydrogen gas.