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Q The Born-Oppenheimer approximation neglects:

A Spin
B Coupling
C Nuclear Motion
D Molecular vibrations

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KPPSC Female SS Chemistry 25-05-23 Uploaded By: Jawad Bashir

Q The Stern-Gerlach experiment demonstrated the existence of:

A Mass
B Charge
C Spin
D Waves

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KPPSC Female SS Chemistry 25-05-23 Uploaded By: Jawad Bashir

Q A harmonic oscillator is used as a model for:

A Molecular rotation
B Hydrogen atom
C A particle in a box
D Molecular vibrations

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KPPSC Female SS Chemistry 25-05-23 Uploaded By: Jawad Bashir

Q The intermolecular forces in benzene at room temperature can be described as :

A Only covalent
B Only electrostatic
C Repulsive
D All of the mentioned

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KPPSC Female SS Chemistry 25-05-23 Uploaded By: Jawad Bashir

Q Which of the following functional group is least likely to be found in the interior of a mammalian cell:

A Amid
B Acid Chloride
C Ester
D Carboxylate salt

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KPPSC Female SS Chemistry 25-05-23 Uploaded By: Jawad Bashir

Q BrCH₂CH₃+ Mg MgBrCH₂CH₃ Of the following choices, which would be the best choice of solvents in which to conduct traction shown above?

A Acetone
B Acetonitrile
C Methanol
D Diethyl ether

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KPPSC Female SS Chemistry 25-05-23 Uploaded By: Jawad Bashir

Q Which of the following instrument is not governed by Beer-Lambert's Law:

A Atomic Absorption Spectroscopy
B Infrared Spectroscopy
C Ultraviolet Spectroscopy
D Visible Spectroscopy

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KPPSC Female SS Chemistry 25-05-23 Uploaded By: Jawad Bashir

Q 1 Liter is equal to:

A 1 cm³
B 10 cm³
C 100 cm³
D 1000 cm³

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KPPSC Female SS Chemistry 25-05-23 Uploaded By: Jawad Bashir

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