Chemistry Practice MCQ Page 41

Multiple Choice questions for Chemistry in the sets of 10 each on one page with questions and answers. All sets are useful in the preparation of subject tests for employment or admission.

Question: 3288 If no work is done by the gas, all the heat given tot he system result in increase of

internal energy
pressure
temperature
density

Question: 3289 In laboratory as chemical reaction are carried out constant atmospheric pressure, heat exchanged expressed as

Question: 3290 The heat content of a body is called

calorie
Joule
enthaply
B.T.U

Question: 3291 As enthalpy of a system is independent of the path for change, it is a

unit
basic unit
state function
derived property

Question: 3292 The quotient of the products of molar concentration of reactants and products is called

reaction constant
constant
equilibrium constant
rate constant

Question: 3293 The coefficients in the balanced equation appear in the equilibrium constant expression with the concentration terms as there

multiples
exponents
coefficients
qoutients

Question: 3294 In the symbol "K_c" the subscript "c" indicates

concentration
equilibrium
reaction rate
constant

Question: 3295 For a gaseous system, the equilibrium constant is

Question: 3296 When the concentration is expressed in terms of partial pressure, the equilibrium constant is

Question: 3297 Equilibrium constant (K_c) of a reaction can be used to predict the

direction of reaction
extent of reaction
non of them
both of them

Question: 3298 The concentrations of gaseous substances are usually expressed in terms of their

moles per dm³
molarity
partial pressures
total pressure

Question: 3299 When the value of K_c is lesser than the value of the quotient of the products of molar concentrations of reactants and products, the reaction will

go forward
go backward
be at equilibrium
stop

Answers to the questions of Chemistry on this page

Following list gives the correct choice for the answer of the Chemistry mcqs.
3288 . A 3289 . B 3290 . C 3291 . C 3292 . C 3293 . B 3294 . A 3295 . C 3296 . D 3297 . D 3298 . C 3299 . B

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Chemistry Practice MCQ Page 41

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