Question

0-3 Write the chemical formulae of the following compounds using criss cross
formula
Magnesium Sulphate
.
Calcium Oxide
Sodium Hydroxide
Copper Nitrate
Iron Sulphate
Zinc Oxide​

Answer 1

1. MgSO4
2. NaOH

4. FeSO4

5.ZnO2

Answer 2

Explanation:

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