Question

Why did calcium float in water?

Answer 1

Because calcium has a lesser density than water..
hope it helped you:)

Answer 2

Calcium is less denser than water.

Explanation:

• The calcium is an element which is found in the bones and teeth of human and animals.
• The calcium reacts with water with liberation of less amount of heat energy.
• The heat released is not enough for the hydrogen in water to catch fire.
• The calcium begins to float because the bubbles in the hydrogen gas makes it float over the surface of water as the it is less denser than water.

Learn more about calcium:

Calculate the % of calcium in calcium carbonate. : https://brainly.in/question/9244649

Valence of calcium in calcium carbonate: https://brainly.in/question/15279522