Study the following reactions and mark the correct properties shown by water : (i) SO3+H2O→H2SO4 (ii) Cl2O7+H2O→2HCLO4 (iii)Na2O+H2O→2NaOH (iv)Cao+H2O→Ca(OH)2
A
All oxides react with water to give hydroxides
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B
Acidic oxides are formed by metals and basic oxides by non-metals
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C
Non-metal oxides combine with water to form acids while metallic oxides combine with water to form alkalies
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D
Acidic oxides are stronger than basic oxides since they form strong acids
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Solution
The correct option is C Non-metal oxides combine with water to form acids while metallic oxides combine with water to form alkalies