1.

Which is /are correct statement.

Answer»

`W_("adiabatic")gtW_("isothermal")` in an ideal gas compression from same intial state to same FINAL volume
The volume of `gamma(gamma=C_(p)/C_(v))` remains CONSTANT for diatomic gas at all temperature
Entropy increases when an ideal gas expanded isothermally.
`Delta_(r)H&Delta_(r)S` both are +ve for the decomposition of `MgCO_(3)(s)`.

Answer :A::C::D


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