Everyday Science MCQs

5120 MCQs  (Page 328 of 512)

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Branch of chemistry that deals with the complete qualitative and quantitative analysis of a substance is___________________?
A. Stoichio chemistry
B. Physical chemistry
C. Analytical chemistry
D. Quantum chemistry
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Estimation of amounts of different components in a sample is________________?
A. Quantitative analysis
B. Qualitative analysis
C. Stochiometery
D. Physical chemistry
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The solid which is left over the filter paper as a result of filtration_________________?
A. Insoluble particles
B. Residue
C. Crystals
D. Mud
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Gooch Crucibles are made up of________________?
A. Plastic
B. Fibre
C. Porcelain
D. Steel
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Quantum number which tells the energy of electron is________________?
A. N
B. 1
C. M
D. S
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_______________ can expel proteons from paraffins ?
A. Electron
B. Positron
C. Neutron
D. None of above has such capability
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Centrifugal forces are balanced in atom by__________________?
A. Attractive forces
B. Repulsive force
C. Electrons
D. Neutrons
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When 6d orbital is complete the entering electron goes into_________________?
A. 7f
B. 7s
C. 7p
D. 7d
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Neutrons moving with an energy of 1.2 MeV are called_______________?
A. Fast neutrons
B. Slow neutrons
C. Moderate neutrons
D. All are possible
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Which of the following way in used for classification of chromatography ?
A. Shape
B. Phase
C. Mechanism
D. All
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Word of the Day
26 Jul
Simultaneously
at the same time.
ایک ہی وقت میں، ایک ساتھ، بیک وقت

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