Chemistry MCQS

841. Which of the following is not an intensive property?
(A) The surface tension of the liquid
B. Electromotive force of the cell
C. Temperature of the system
D. The magnetic moment of the gas


842. The maximum work that can be done by a reversible engine operating between 500 K and 200 K if 1000 J is absorbed at 500 K is?
A. 0.600 J
B. 600 J
C. 100 J
D. 2 J


843. For an ideal gas, internal energy (U) is a function of?
(A) Number of moles only
B. Volume only
C. Temperature only
D. Number of moles, volume, and temperature


844. To prepare the medium-sized crystal, the hot filtrate is cooled_______.
A. Slowly
B. Fast
C. Moderately
D. None


845. Which type of chromatography has a fixed phase______?
A. Absorption
B. Partition
C. Liquid gas chromatography
D. None of these


846. When a solid which has high vapor pressure at a temperature below its boiling point is heated, it starts __>.
A. Sublimation
B. Melting
C. Decomposing
D. Condensing


847. The process of filtration is used to separate __.
A. Solute from Solution
B. Insoluble particles from liquids
C. The two immiscible liquids
D. The two miscible liquids


848. In which process solid phase and vapor phase are directly involved?
A. Sublimation
B. Condensation
C. Vaporization
D. Filtration


849. The number of IR active bands in H2O molecule is?
(A) 1
(B) 2
C. 3
(D) 4


850. All of the following are different uses of hydrogen peroxide except?
(A) Usedas a bleaching agent
(B) Used to deodorize sewers
C. Used as fuel in space
(D) Used to prepare organic peroxides


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