4. Which of the following is the correct formula for calcium oxide?

${C a O}_{2}$

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${C a C O}_{3}$

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$C a O$

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${C a}_{2} O$

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Solution

The correct option is C
$CaO$

The formula for calcium oxide is $CaO$ , it is commonly known as Quicklime.

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Similar questions

The molecular formula for calcium oxide is ______.

11. Write the chemical formulae for each of the following compounds:

(d) Calcium oxide

$CaO$ is the chemical formula for——— (copper oxide/calcium oxide)

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