Chemical Engineering Thermodynamics
A large iceberg melts at the base, but not at the top, because of the reason that

Ice at the base contains impurities which lowers its melting point
All of these
Due to the high pressure at the base, its melting point reduces
The iceberg remains in a warmer condition at the base

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Chemical Engineering Thermodynamics
The third law of thermodynamics states that the

Heat capacity of a crystalline solid is zero at absolute zero temperature
Heat transfer from low temperature to high temperature source is not possible without external work
None of these
Gases having same reduced properties behave similarly

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Chemical Engineering Thermodynamics
Absolute zero temperature signifies the

None of these
Minimum temperature attainable
Temperature of the heat reservoir to which a Carnot engine rejects no heat
Temperature of the heat reservoir to which a Carnot engine rejects all the heat that is taken in

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