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Download WorksheetAccording to the principle of conservation of charge, in closed system:
Charges can be created but it cannot be destroyed.
2.Charges cannot be created but can be destroyed.
3.The sum of charges in any system is constant.
4.The algebraic sum of charges in any closed system is constant.
Nucleons are known as
Protons and electrons
2.Electrons and neutrons
3.Protons and neutrons
4.Protons, neutrons and electrons
Evaluate the number of terms in the expression after simplification
50
2.51
3.100
4.101
What is the minimum number of zeroes that need to be present in an 8x8 skew-symmetric matrix?
1
2.7
3.4
4.8
4th place of sequence of series
2,5,26,_
677
2.626
3.636
4.666
The compressibility factor (Z) of an ideal gas is always
0
2.1
3.>1
4.<1
The radius vector of point x relative to origin varies with time as
r=a cos(kt)i+b sin(kt)j
Where a and b are constants and i and j are vectors along x and y axis. Which one of the following is the mean velocity vector?
When NaCl dissolved in water
Hydrolysed
2.Oxidised
3.Reduced
4.Hydrated
Reaction between sodium and water is a
Redox reaction
2.Reduction
3.Oxidation
4.Neutralisation
The best and latest technique for isolation, purification and separation of organic compounds is:
Crystallisation
2.Distillation
3.Sublimation
4.Chromatography
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