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Write the steps in deducing the chemical formulae of the following compounds. (iv) Calcium oxide

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Write the steps in deducing the chemical formulae of the following compounds.

(iv) Calcium oxide

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Calcium oxide :

Step 1 : Write the symbols and valencies of the radicals.

Symbols Ca O
Valency 2 2

Step 2 : Cross-multiply symbols of radicals with their respective valency.

image

Step 3 : Write down the chemical formula of the compound.

 The chemical formula of Calcium oxide  CaO

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