Mock Part 4

The maximum number of electrons which can be present in a subshell can be represented by(a) 2l + 1(b) 2n2(c) 4l + 2(d) 4l – 2Answer: (c)ExplanationMaximum number of electrons present…

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Mock Part 3

Select the correct statement from the following option.(a) Conjugate effect is stronger than (-I) effect(b) Conjugate effect is weaker than (-I) effect(c) Conjugate effect is same as (-I) effect(d) None of…

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Mock Part 2

Which of the following is not the application of gel filtration? (PPSC 2021)(a) Purification(b) Relative molecular mass determination(c) Protein concentration(d) None of theseAnswer: (d) Which solvent is usually used for SEC…

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Mock Part 1

Which of the following elements is the most electropositive??(a) B(b) C(c) Cl(d) NAnswer: (a)Explanation“Electropositivity can be defined as the tendency of an atom to donate electrons and form positively charged cations.”…

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Quantum Chemistry

Quantum Chemistry Total number of nodes for 3d orbital is __(a) 3(b) 2(c) 1(d) 0Answer: (b)ExplanationTotal number of nodes include angular and radial nodes. Angular nodes and radial nodes are given…

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Quiz Physics 1 Part 4

A white light when passed through prism isDeviatedDispersedNone of theseAnswer: Dispersed 40 dB + 44 dB = ?40 dB41 dB44 dB45 dBAnswer: 45 dB A string fixed at both ends forms…

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Quiz Physics 1 Part 3

Temperature of a gas increases from 10C to 20C, what happens to the viscosity of the gas?IncreasesDecreasesRemains sameNone of theseAnswer: Increases Terminal velocity does not depends uponFalling timeAreamassviscosityAnswer: Falling time [PPSC…

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Quiz Physics 1 Part 2

According to second condition of equilibrium, for a system to be in rotational equilibrium, the torques acting on it must balance. This is true only if the torques are taken about:the…

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Quiz Physics 1 Part 1

[PPSC 2017] Work done to stop the motion of car is equivalent to:Thermal EnergyK.E.P.E.None of theseAnswer K.E [PPSC 2017] Work done in circular motion after complete cycle? Radius is 5m with…

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S and p

1.The correct increasing order of splitting power of ligands according to spectrochemical series is(a) Cl– < OH– < CN–(b) Cl– < CN– < OH–(c) OH– < Cl– < CN–(d) none of…

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