Chemistry Mcqs

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Chemistry MCQs

Chemistry MCQs banner by CSS MCQs
Chemistry MCQs by CSS MCQs

Chemistry MCQs by CSSMCQs

Here, you will find all Chemistry MCQs with their Answers. These MCQs would help you achieve good marks in ALL kinds of entry tests of  FPSC, PPSC, KPPSC, SPSC, NTS, PTS, OTS, CTS, MDCAT, ECAT, ETEA, NUMS and all other entry tests preparation etc. They will also help you get better marks in any types of job or university admission tests. Our focus will be on the fundamental level of the Chemistry course. However, advance level and its main branches MCQs will also be shared with their correct answers. For other subject’s MCQs Click HERE

which of the following elements will have strongest Van Der Waal force of attraction between its molecules

A. hydrogen
B. oxygen
C. chlorine
D. nitrogen

Show Answer…
Correct Answer: C. chlorine
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The temperature recorded by Kelvin scale is

A. 0K
B. 273K
C. 373K
D. Absolute scale is unable to record this temperature

Show Answer…
Correct Answer: B. 273K
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One liter of an unknown gas weighs 1.25 grams at S.T.P, one possible formula for the gas is

A. CO2
B. CO
C. O2
D. SO2

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Correct Answer: B. CO
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If pressure on a gas is increased from 2 atm to 4 atm than its volume will decrease from

A. 6L to 4L
B. 8L to 2L
C. 3L to 1L
D. 4L to 2L

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Correct Answer: D. 4L to 2L
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A container with a porous wall has a mixture of H2, He, N2 and O2. Which of these gases will take maximum time in getting out of the container?

A. H2
B. He
C. N2
D. O2

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Correct Answer: D. O2
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If the temperature of the atmosphere is 30°C then which of the following will have highest average speed:

A. O2
B. H2
C. Ne
D. N2

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Correct Answer: B. H2
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I heard Islamian genius saying that glass must be a super cooled liquid. The reason that he might have in his mind is that glass has

A. definite volume
B. definite shape
C. crystalline structure
D. no crystalline structure

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Correct Answer: D. no crystalline structure
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