MCQ
Which of the following substances has giant covalent structure
- AIodine crystal
- BSolid $C{O_2}$
- ✓Silica
- DWhite phosphorus
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${N_2}\left( g \right) + 3{H_2}\left( g \right) \rightleftharpoons \,2N{H_3}\left( g \right)$
On addition of an inert gas at constant pressure & constant temperature which of the following change is $NOT$ observed