Answer:

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.

Answer:

hi here is the answer.......

The alkali reacts with metal . ex .... sodium zincate reacts with zinc metal

and Aluminium

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