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PPSC Chemistry Full Book Test MCQs With Answers

Question # 1

Which of the following should have the largest dipole moment.

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Carbon tetrachloride

Cis-stibeue

Trans-atibeue

Cis-dichlorocthylene

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Question # 2

Which of the following statement represent advantages of sanitary Landfill

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Economical method

Low initial investment

Flexible daily capacity

All above

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Question # 3

Which of the following pollutant is not primary pollutant.

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Ash

Smoke

SO3

SO2

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Question # 4

The most electronegative and the most electromotive elements of the first period is

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H and He

Na and Cl

Li and F

H and He

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Question # 5

Which one of the following set of raw material is most suitable for manufacture of urea.

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CH4N2 and CO2

H2CO2 and H2O

H2O N2 and H2

H2O N2 AND KCl

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Question # 6

Which of the following compounds does not show dipole moment.

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CH3OH

HBr

CCl4

CHCl3

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Question # 7

Which of the following parameter is not involved in calculations based on Born Haber Cycle.

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Ionization enthalpy

Electron gain enthalpy

Electronegativity

Bond dissociation energy

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Question # 8

Which of the following radical is not a member of II group.

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Cu²⁺

Cd²⁺

Ba³⁺

K+

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Question # 9

Hydrogen bons holding the strand to nucleic acids are formed between

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Sugar and base units

Base unit

Sugar ane phosphate units

Sugar units

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Question # 10

Which element amongst the following has the highest boiling point.

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