Chemistry Gk Quiz :: Model Questions For SSC CGL SSC CHSL And Railway Ntpc Exams
1. In
any natural process?
A) The
entropy of universe remains constant
B) The
entropy of universe tends towards maximum
C) The
entropy of universe towards minimum
D) Any
of the above can happen
Answer: B
2. If a
refrigerator’s door is kept open, then?
A) Room
will be cooled
B) Room
will be heated
C) May
get cooled or heated depending upon the weather
D) No
effect on room
Answer: B
3.The
efficiency of a heat engine is maximum when?
A) Temperature
of source is greater than that of sink
B) Temperature
of sink is greater than that of source
C) Temperature
difference of source and sink is minimum
D) Temperature
difference of source and sink is maximum
Answer: D
4. The
law of lavoisier and laplace illustrates?
A) The
principle of conservation
B) Equivalence
of mechanical and thermal energy
C) The
principle of conservation of matter
D) Equivalence
of mechanical and chemical energy
Answer: A
5.When
a gas is subjected to adiabatic expansion, it gets cooled due to?
A) No
change in entropy
B) Loss
in kinetic energyh
C) Decreases
in velocity
D) Energy
spent in doing work
Answer: D
6. A substance that can supply energy either alone
or by reactin with another substance is known as?
A) Rayon
B) Fibers
C) Fuels
D) Thiokol
Answer: C
7.An
ideal fuel should have?
A) High
calorific value
B) Low
ignition temperature
C) Regulated
and controlled
D) All
of these
Answer: D
8.A
mixure of carbon monoxide and nitrogen is called?
A) Natural
gas
B) Water
gas
C) Natural
gas
D) None
Answer: B
9.Which
one of the following fuels causes minimum environmental pollution?
A) Diesel
B) Coal
C) Hydrogen
D) Kerosen
Answer: C
10. Which
one of the following has the highest fuel value?
A) Hydrogen
B) Charcoal
C) Natural
gas
D) Gasoline
Answer: A
Chemistry Gk Quiz :: Model Questions For SSC CGL SSC CHSL And Railway Ntpc Exams
![Chemistry Gk Quiz :: Model Questions For SSC CGL SSC CHSL And Railway Ntpc Exams]()
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