1.

The spotanity means having the potential to proceed without assistance of external agency. The processess which occur spontaneously areA. flow of heat from colder to warmer bodyB. gas in a container contracting into one cornerC. gas expanding to fill the available volumeD. burining carbon in oxygen to given carbon dioxide

Answer» Correct Answer - C::D
Gas expands of diffuses in availabel space spontaneously, e.g., leakage of cooling gas gives smell of ethyl mercapatan spontaneously.
Moreover burning of carbon to `CO_(2)` is also spontaneous


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