Chemistry
IX
MCQs [Chapter# 10]
i.
Thermochemistry deals
with:
a. Heat
evolved during reaction
b. Heat
absorb during reaction
c. Both
of these
d. None
of these
ii.
Heat evolved during:
a. Exothermic
reaction
b. Endothermic
reaction
c. Both
of these
d. None
of these
iii.
Bond usually breaks in:
a. Exothermic
reaction
b. Endothermic
reaction
c. Both
of these
d. None
of these
iv.
ΔH is negative in:
a. Exothermic
reaction
b. Endothermic
reaction
c. Both
of these
d. None
of these
v.
In this reaction, total
energy of the system decreases:
a. Exothermic
reaction
b. Endothermic
reaction
c. Both
of these
d. None
of these
vi.
If enthalpy of product is
greater than enthalpy of reactant than the sign of enthalpy will be:
a. Positive
b. Negative
c. Neutral
d. Depends
on reaction
vii.
∆H can be calculated by:
a. Thermometer
b. Calorimeter
c. Potentiometer
d. All
of the above
viii.
Combustion, addition, neutralization, single
displacement reactions are the examples of:
a. Exothermic
reaction
b. Endothermic
reaction
c. Catenation
d. Cracking
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