Science, asked by mmeenathuar, 2 months ago

what happens where a metal reacts with an acid?​

Answers

Answered by ehsan363
0

Explanation:

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. It doesn't matter which metal or which acid is used, if there is a reaction we always get hydrogen gas as well as the salt.

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Answered by raviathira758
0

(a) When an acid reacts with a metal, then a salt and hydrogen gas are formed.

Zinc (A metal)

Zn(s)

+

Hydrochloric acid (Dilute)

2HCl

Zinc chloride (A salt)

ZnCl

2

+

Hydrogen

H

2

(g)

(b) Hydrogen gas is liberated when an acid reacts with a metal. When the reaction between an acid and a metal occurs, we observe the formation of gas bubbles. When these gas bubbles are passed through soap solution, gas-filled soap bubbles rise into the air.

When a burning candle is brought near a gas-filled soap bubble, the gas present in the soap-bubble burns with a 'pop' sound. Only hydrogen gas burns making a 'pop' sound. This shows that hydrogen gas is evolved in the process.

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