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Chemistry Test 63
Chemistry Test 63
Time Left -
Question
1/10
1 / -0
Which of the following substance's smell is similar to Ethanoic acid?
A
Tomato juice
B
Kerosene
C
Vinegar
D
Lemon
Question
2/10
1 / -0
Which of the following acids serves as an electrolyte in a lead storage battery?
A
Sulphuric acid
B
Lactic acid
C
Hydrochloric acid
D
Nitric acid
Question
3/10
1 / -0
Which of the following range of Air Pollutant Index is considered as hazardous ?
A
301-500
B
201-300
C
101-200
D
401-500
Question
4/10
1 / -0
The biological decomposition of organic substances in wastes under controlled conditions known as
A
composting
B
incineration
C
sanitary landfill
D
pyrolysis
Question
5/10
1 / -0
Lactose is present in
A
grapes
B
milk
C
lime
D
vinegar
Question
6/10
1 / -0
Hard water and soft water can be distinguished by using?
A
Dilute acid
B
Ordinary soap
C
Detergent
D
Soap
Question
7/10
1 / -0
Which of the following fuels causes minimum environmental pollution?
A
Diesel
B
Kerosene
C
Hydrogen
D
Coal
Question
8/10
1 / -0
Water cycle refers to_____
A
An integrated attempt to recycle water in relatively arid regions
B
Constant movement of water from ocean to land and back to ocean once again
C
Scientific management of water in areas excessively plagued with water-logging
D
Water distribution in relatively dry areas
Question
9/10
1 / -0
Which of the following supports particle nature of photons ?
A
Diffraction
B
Polarization
C
Photoelectric effect
D
Interference
Question
10/10
1 / -0
In the nuclear reactors, moderators are used to:
A
Accelerate neutrons
B
Absorb the neutrons
C
Slow down the neutrons
D
Generate neutrons
Submit
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