Statement I A thermally insulated vessel contains some water. If the vessel is shaken vigorously, the temperature of the water will rise.
Statement II In this process energy is given to the water.
Which one of the following is correct with reference to the above statements?
A. Both statement I and statement II are true and statement II is the correct explanation of statement I
B. Both statement I and statement II are true, but statement II is not the correct explanation of statement I
C. Statement I is true, but statement II is false
D. Both statement I and statement II are false
Answer: Option A
A. physical change
B. reduction reaction
C. endothermic reaction
D. exothermic reaction
Which law of the thermochemistry introduces the concept of entropy?
A. Second Law
B. Zeroth Law
C. Third Law
D. First Law
Which of the following is a closed system?
A. Jet engine
B. Tea placed in steel kettle
C. Pressure cooker
D. Rocket engine during propulsion
The entropy of perfectly crystalline solid at absolute zero is
A. positive
B. negative
C. Zero
D. not definite

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