Question

why hydrogen gas stick to the surface of calcium and magnesium when they react with water?? (i am not asking why it is floating)​

Answer 1

Answer:

Explanation:

when the hydrogen gas released it a stick on the surface of calcium and magnesium. as hydrogen gas have low density as compared with water so it comes out but it is a strict with magnesium and calcium calcium and magnesium also comes out resulting in float of calcium and magnesium. Ca+ H20 = Ca (OH)2 + H2

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