Question

A gas is released when two soutions are combined explain

Answer 1

when we combine

Zn+H2 So4________Zn SO4 +H2

here hydrogen gas is released

that means chemical reaction has taken place ,

if u understand a little bit

then mark it as brainliest. .

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Answer 2

Zn+HCl-----> ZnCl2+H2

here is your answer