Question

compound contains one atom of calcium, two atoms of hydrogen and two atoms of oxygen. Write the correct chemical formula of the compound
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Answer 1

Explanation:

The compound is Calcium Hydroxide

Its formula of Ca(OH)2

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Answer 2

Answer:

$Ca(OH)_2$ is the correct chemical formula  of the compound .

Explanation:

According to the question,

1 atom of calcium + 2atom of hydrogen + 2 atom of oxygen.

This can be written as,

Ca + 2H + 2O → Ca$(OH)_2$

Or

$CaO + H_2O$  → $Ca(OH)_2$

So, the compound $Ca(OH)_2$ is called Calcium hydroxide,

Calcium hydroxide is produced commercially by treating lime with water.

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