Carbon dioxide is a gas but silica is a solid because

Carbon dioxide is a gas silica is a solid because:

Carbon dioxide is a gas but silicon dioxide is a solid explain .

Oxygen is gas but sulphur is solid because

Explain giving reason CO_2 is a gas while silica is a solid.

Carbon dioxide is called greenhouse gas because it is :

Carbon dioxide is called "greenhouse gas", because it:

Solid carbon dioxide is used as :

Carbon dioxide unusual because it has no liquid phase at normal atmospheric pressure. Instead, the solid sublimes directly to the gas phase. To obtain the liquid phase at room temperature, a pressuer of _____ MP a must be applied.

Carbon dioxide unusual because it has no liquid phase at normal atmospheric pressure. Instead, the solid sublimes directly to the gas phase. To obtain the liquid phase at room temperature, a pressuer of _____ MP a must be applied.