Q. 3 D4.2( 17 Votes )

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

calcium oxide

Answer :

Calcium Oxide-

Formula:- CaO

Step 1 :

To write the symbols of the radicals. (Basic radical on the left.)

Ca O

Step 2: To write the valency below the respective radical.

Ca O

+ 2 -2

Step 3: To cross-multiply as shown by the arrows the number of the radicals.

Ca O

+ 2 -2

Step4: To write down the chemical formula of the compound in the simplest form.


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