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Welcome to the largest collection of MCQs on the Internet. Access and Discuss these Multiple choice questions for various competitive Exams and Interviews.
1. The sum of internal energy (U) and the product of pressure and volume (p.v) is known as
a. workdone
b. entropy
c. enthalpy
d. none of these
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Answer: (c).enthalpy

2. The value of 1 mm of Hg is equal to
a. 1.333 N/m²
b. 13.33 N/m²
c. 133.3 N/m²
d. 1333 N/m²
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Answer: (c).133.3 N/m²

3. One kg of carbon requires 4/3 kg of oxygen and produces __________ kg of carbon monoxide gas.
a. 8/3
b. 11/3
c. 11/7
d. 7/3
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Answer: (d).7/3

4. The behaviour of a perfect gas, undergoing any change in the variables which control physical properties, is governed by
a. Boyle's law
b. Charles' law
c. Gay-Lussac law
d. all of these
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Answer: (d).all of these

5. The universal gas constant of a gas is the product of molecular mass of the gas and the gas constant.
a. Correct
b. Incorrect
c. Can't say
d. None of these
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Answer: (a).Correct

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