A. Chemical
B. Dynamic
C. Static
D. Physical
122. In a chemical equation, a double arrow
indicates.?
A. Reversible
reaction
B. Complete reaction
C. Incomplete
reaction
D. Equilibrium
123. Acetylene when burnt in oxygen produces
heat and.?
A. Electricity
B. Current
C. Mechanical
work
D. Light
124. In the endothermic reactions, the heat is.?
A. Evolved
B. Generated
C. Absorbed
D. Released
125. Water placed in closed container at
constant temperature.?
A. Evaporates
B. Condenses
C. Is at equilibrium
D. Reacts
126. The mechanical work obtained from
automobile engines is due to.?
A. Combustion process
B. Oxidation
process
C. Reduction
process
D. Catalytic
process
127. When a part of heat of reaction is used
in generating electric current the device is called.?
A. Cell
B. Galvanic cell
C. Electrolytic
cell
D. Dry cell
128. The branch of chemistry that deals with
thermal energy changes in chemical reactions is called.?
A. Thermo
B. Dynamics
C. Thermo chemistry
D. Thermodynamics
129. The using of fuels is the basis that burning
of carbon in oxygen produces.?
A. Energy
B. Light
C. Heat
D. Electricity
130. The burning of methane in oxygen is used
in.?
A. Kitchens
B. Flames
C. Automobiles
D. Engines
Chemistry MCQs Previous Page [ 111 To 120 ]
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