MCQ
What are the two main chemicals in acid rain?
- ✓Sulphuric acid, Nitric acid.
- BHydrochloric acid, Asborbic acid.
- CPhosphoric acid, Nitric acid.
- DAcetic acid, Phosphoric acid.
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$\mathrm{Li}_{2} \mathrm{O}, \mathrm{CaO}, \mathrm{Na}_{2} \mathrm{O}_{2}, \mathrm{KO}_{2}, \mathrm{MgO}$ and $\mathrm{K}_{2} \mathrm{O}$