Question

Base + metal reaction

Answer 1

Answer:

Reaction of Base with Metals: When alkali (base) reacts with metal, it produces salt and hydrogen gas. Example: Sodium hydroxide gives hydrogen gas and sodium zincate when reacts with zinc metal. Sodium aluminate and hydrogen gas are formed when sodium hydroxide reacts with aluminium metal.

Explanation:

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Answer 2

When a base reacts with metal they form complex metallic salt and liberate hydrogen gas

Eg:2NaOH + Zn ——]Na2ZnO2 + H2

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