30. Write the molecular formula of the following compounds.
(a) Calcium nitrite.
(b) potassium carbonate.
© Magnesium hydroxide.
(d) Aluminium sulphite.
( Ca2+, K1+, Mg2+, Al3+, NO2--, CO32--, OH 1--, SO3 2-- )
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Answer:
- CANO2
- KCO3
- MGOH
- ALSO4.
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