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Chemistry - 9 Chapter - 10
Chemical Energetics
Test - 2
1.
Container in which an endothermic reaction is carried out gets:
a) No effect
b) Cold
c) Hot
2.
During an exothermic reaction the surroundings, gets hot and in an endothermic reaction the temperature of surroundings will decrease.
a) False
b) True
3.
The total energy of the products, in an endothermic reaction, is more than that of the reactants.
a) True
b) False
4.
In exothermic type of reaction the container becomes ____ and the energy of the products _______.
a) Cold, increases
b) Hot, increases
c) Cold, increases
d) Hot, decreases
5.
In Endothermic type of reaction the container becomes ____ and the energy of the products _______.
a) Hot, increases
b) Cold, increases
c) Hot, decreases
d) Cold, decreases
6.
If a reaction in the forward direction evolves heat then the same amount of heat is absorbed when the reaction will proceed in the backward direction.
a) True
b) False
7.
What is heat of reaction?
a) Heat of reaction is the heat evolved or absorbed during a chemical reaction which takes place at any pressure.
b) Heat of reaction is the heat evolved or absorbed during a chemical reaction which takes place at least pressure.
8.
Heat of reaction is the heat evolved or absorbed during a chemical reaction which takes place at a particular pressure.
a) True
b) False
9.
What is Enthalpy of reaction?
a) Enthalpy of reaction is that heat of reaction which takes place at high pressure.
b) Enthalpy of reaction is that heat of reaction which takes place at constant pressure.
10.
Enthalpy of reaction is that heat of reaction which takes place at constant pressure.
a) False
b) True
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