Topic: Thermodynamics and Thermochemistry

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Q:

(a) :  A
(b) :  B
(c) :  C
(d) :  D
Answer:  C
Explanation:  
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Q:

(a) :  A
(b) :  B
(c) :  C
(d) :  D
Answer:  D
Explanation:  

All are the correct statements.


Q:

A Beckmann thermometer is used to measure

(a) :  High temperature
(b) :   Low temperature
(c) :  Normal temperature
(d) :   All temperature
Answer:   Low temperature
Explanation:  

Backmann thermometer is used to measure low temperature.


Q:

Heat of reaction at constant volume is measured in the apparatus

(a) :  Bomb calorimeter
(b) :  Calorimeter
(c) :  Pyknometer
(d) :  Pyrometer
Answer:  Bomb calorimeter
Explanation:  

Bomb calorimeter is used to measure heat of reaction.


Q:

The heat required to raise the temperature of a body by 1 K is called

(a) :  Specific heat
(b) :  Thermal capacity
(c) :   Water equivalent
(d) :   None of these
Answer:  Thermal capacity
Explanation:  

Heat required to rise the temperature of a body by 1K called thermal capacity of the body.


Q:

In thermodynamics, a process is called reversible when

(a) :  Surroundings and system change into each other
(b) :  There is no boundary between system and surroundings
(c) :  The surroundings are always in equilibrium with the system
(d) :  The system changes into the surroundings spontaneously
Answer:  The surroundings are always in equilibrium with the system
Explanation:  

Thermodynamics is a reversible process in which surroundings are always equilibrium with system.


Q:

(a) :  A
(b) :  B
(c) :  C
(d) :  D
Answer:  B
Explanation:  

The compound Y possess less energy than the X and thus Y is more stable than X.


Q:

(a) :  A
(b) :  B
(c) :  C
(d) :  D
Answer:  C
Explanation:  
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Q:

(a) :  A
(b) :  B
(c) :  C
(d) :  D
Answer:  B
Explanation:  
click to enlarge
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