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

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

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Chemical Engineering Thermodynamics
Absolute zero temperature signifies the

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

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