Question

Why magnesium floats on the surface of water during the reaction with water?​

Answer 1

Answer:

The hydrogen gas evolved when magnesium reacts with water doesn't catch fire because the heat developed is very low. But hydrogen gas comes out as bubbles and sticks to the surface of magnesium ribbon. As a result the remaining magnesium ribbon floats on water.

Explanation:

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Answer 2

Answer:

The hydrogen gas evolved when magnesium reacts with water doesn't catch fire because the heat developed is very low. But hydrogen gas comes out as bubbles and sticks to the surface of magnesium ribbon. As a result the remaining magnesium ribbon floats on water.

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