Question

1. Name three metals which react with cold water
to form hydrogen gas. Support your answer with
fully balanced chemical equations.​

Answer 1

Answer:

Here is your answer

Explanation:

When lithium is added to water, lithium floats. It fizzes steadily and becomes smaller, until it eventually disappears. When sodium is added to water, the sodium melts to form a ball that moves around on the surface.

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Answer 2

Answer:

Hii friend,

Here is your answer....

Explanation:

Generally alkali metals reacts with cold water and liberates Hydrogen gas.

It includes, Na ,K,Rb ...

Na,K,Rb reacts readily with water to form hydrogen gas & corresponding hydroxide.

REACTIONS:-

2Na+2H2O⟶2NaOH+H2↑

2K+2H2O⟶2KOH+H2↑

2Rb+2H2O⟶2RbOH+H2↑

Hope this helps you a little!!!