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.Management Sciences
Category: Chemistry Mcqs
When an atom absorbs energy the lines in the spectrum will appear which are_________________?
A. Brighter
B. Darker
C. Colourless
D. Hard to locate
Greater the conc. Of reactant__________________?
A. Greater will be dx/dt
B. Lesser will be dx/dt
C. dx/dt will be moderate
D. any of above
A double bond consists of __________________?
A. Two sigma bonds
B. Two Pi bonds
C. One sigma and one Pi bonds
D. One sigma and two Pi bonds
For which of the following compounds the term empirical formula cannot be applied ?
A. NaCl
B. H2O
C. CCI4
D. It can be applied to all mentioned above
Equilibrium state is achieved quickly by the addition of ________________?
A. reactants
B. acid
C. base
D. catalyst
SO3 is not absorbed in water directly because__________________?
A. Reaction is exothermic
B. It is insoluble in water
C. Dilute acid is produced
D. All of above
In which of the following pairs are elements belonging to the same group ?
A. Boron & Beryllium
B. Nitrogen & Phosphorous
C. Magnesium & Aluminium
D. Gallium & Helium
Hydrogen resembles with carbon because of having________________?
A. Same number of electrons in the valence shell
B. Similar physical state
C. Remarkable reducing properties
D. Homovalent (show same valency)
Which of the following substance do not show continuous solubility curve ?
A. KCIO4
B. Na2SO4. 10H2O
C. K2Cr2O7
D. PbCl2
Under what conditions the gases deviate from the ideal behavior ?
A. High temperature
B. Low temperature
C. High pressure
D. B and C
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