CSS OPTIONAL SUBJECTS MCQs

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Here, you may find CSS Optional Subjects MCQs. If you want to prepare MCQs of optional subjects, CSS MCQs platform is here to serve you while preparing your MCQs portion of your CSS Exam. Please practice these CSS Optional Subjects MCQs on a daily basis.

Which one is the right value for R?

A. 0.0821 atm dm3k-1mol-
B. 0.0821 atm m3k-1mol-1
C. 2 cal k-1 mol-1
D. 8.314 Nm2k-1mol-1

Show Answer…
Correct Answer: A. 0.0821 atm dm3k-1mol-
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Which one is not the partial pressure of oxygen in the lungs?

A. 0.1526 atm
B. 116 mm of Hg
C. 116 torr
D. 1 atm

Show Answer…
Correct Answer: D. 1 atm
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The spreading of fragrance or scent in the air is due to

A. Diffusion
B. Effusion
C. Attraction with air
D. Low density

Show Answer…
Correct Answer: A. Diffusion
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The volume of one kilogram of water at 4°C is equal to one litre. The temperature of water is kept at 4°C because water

A. has no dissolved gasses at this temperature
B. has maximum density at this temperature
C. polarity of water molecule is least at this temperature
D. dipole moment has maximum value at this temperature

Show Answer…
Correct Answer: B. has maximum density at this temperature
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A piece of paper is burnt in air, the gas produced is passed through distilled water. The PH of water solution will be

A. 1
B. 7
C. 2.1
D. 6.8

Show Answer…
Correct Answer: D. 6.8
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A student subtracted 0.00055 from 10.2345678 and reported the result as 10.23401. But his friend told him that the result was wrong. What is the correct result?

A. 10.234017
B. 10.2340178
C. 10.234
D. 10.23

Show Answer…
Correct Answer: D. 10.23
» Read More…