Metals React With Acids


 
 
Concept Explanation
 

Metals React With Acids

Metals React with Acids:

Metals: when a metal reacts with an acid, a salt and hydrogen gas are produced.

Metal + acid rightarrow Salt + hydrogen gas

Salt are compounds formed when a metal replaces hydrogen in an acid. Different acids and metals react to form different salts.

Zinc reacts with sulphuric acid to form zinc sulphate and hydrogen gas.

Zn + H_2SO_4 rightarrow ZnSO_4 + H_2

Magnesium reacts with sulphuric acid to form magnesium sulphate and hydrogen gas.

Mg + H_2SO_4 rightarrow MgSO_4 + H_2

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Sample Questions
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Question : 1

Which of the following are correct :

(a) Zinc reacts with sulphuric acid to form zinc sulphate and hydrogen gas.

(b) Metals usually react with acid to displace hydrogen from the acid and form salts.

(c) Aluminium reacts with hydrochloric acid to form aluminium chloride and hydrogen gas.

Right Option : D
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Question : 2

What happen when dilute Sulphuric acid is poured on a copper plate?

Right Option : A
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Question : 3

Metal which does not react with HCI is _______________

Right Option : B
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