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.Management Sciences
Category: Chemistry Mcqs
Which one is not the partial pressure of oxygen in the lungs ?
A. 0.1526 atm
B. 116 mm of Hg
C. 116 torr
D. 1 atm
In which compound nitrogen has maximum oxidation state____________________?
A. N2O
B. NO2
C. HNO2
D. HNO3
The relative lowering of vapour pressure is_____________________?
A. equal to the mole fraction of solvent
B. equal to the mole fraction of solute
C. directly proportional to the mole fraction of solute
D. both B & C
The value of activation energy is primarily determined by_______________?
A. Temperature
B. Effective collision
C. Concentration of reactants
D. Chemical nature of reactants and products
When common salt is dissolved in water ?
A. Boiling point of water decrease
B. Boiling point of water increase
C. Boiling point of water remains same
D. None of the above
The central atom along with ligands is called____________________?
A. complex ion
B. coordination sphere
C. ligand
D. complex compound
Downs cell is used to prepare_________________?
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
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