Question 1.
Indane gas is mixture of
A. Butane and hydrogen
B. Butane and oxygen
C. Butane and propane
D. Methane and oxygen
Ans: C. Butane and propane
Question 2.
L.P.G. is mostly liquefied
A. Hydrogen
B. Oxygen
C. Butane
D. Methane
Ans: C. Butane
Question 3.
Petroleum is a mixture of
A. Elements
B. Hydrocarbons
C. Polymers
D. Salts
Ans: B. Hydrocarbons
Question 4.
Which of the following is the petroleum wax ?
A. Bees wax
B. Carnauba wax
C. Paraffin wax
D. Jojoba wax
Ans: C. Paraffin wax
Question 5.
The charcoal used to decolourise brown sugar solution is
A. Wood charcoal
B. Coconut charcoal
C. Animal charcoal
D. Sugar charcoal
Ans: C. Animal charcoal
Question 6.
Which one of the following is not coal variety?
A. Lignite
B. Bituminous
C. Dolomite
D. Peat
Ans: C. Dolomite
Question 7.
Which of the following contains high content of lead?
A. Coal
B. Cooking gas
C. High octane fuel
D. Low octane fuel
Ans: C. High octane fuel
Question 8.
The hottest part of the gas flame is known as
A. Blue zone
B. Non-luminous zone
C. Luminous zone
D. Dark zone
Ans: C. Luminous zone
Question 9.
The major component in the LPG is
A. Methane
B. Butane
C. Ethane
D. Propane
Ans: B. Butane
Question 10.
Which of the following is used to increase the anti-knocking property of petrol ?
A. Tetramethyl lead
B. Tetraethyl lead
C. Trimethyl lead
D. Triethyl lead
Ans: B. Tetraethyl lead
Question 11.
Piped Natural Gas (PNG) is used for
A. Mining
B. Welding
C. Anaesthesia
D. Cooking
Ans: D. Cooking
Question 12.
Water is not effective in extinguishing a fire caused by petrol because
A. The flame is too hot for water to cool it down
B. Water and petrol react chemically
C. Water and petrol are miscible with each other
D. Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn
Ans: D. Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn
Question 13.
Domestic cooking gas consists mostly of
A. Methane and ethane
B. Liquified butane and isobutane
C. Hydrogen and acetylene
D. Ethylene and carbon monoxide
Ans: B. Liquified butane and isobutane
Question 14.
The quality of petrol is expressed in terms of
A. Cetane number
B. Gold number
C. Octane number
D. Added unlead compounds
Ans: C. Octane number
Question 15.
Petroleum consists of a mixture of
A. Carbohydrates
B. Carbonates
C. Hydrocarbons
D. Carbides
Ans: C. Hydrocarbons
Question 16.
The temperature of oxy-acetylene flame is around
A. 2800°C
B. 3200°C
C. 3600°C
D. 4000°C
Ans: D. 4000°C
Question 17.
Which one of the following is known as the ‘brown coal’?
A. Anthracite
B. Bituminous
C. Coke
D. Lignite
Ans: D. Lignite
Question 18.
Which of the following type of coal has the lowest proportion of volatile matter ?
A. Lignite
B. Peat
C. Bituminous
D. Anthracite
Ans: D. Anthracite
Question 19.
White coal is
A. Uranium
B. Hydro-electricity
C. Diamond
D. None of these
Ans: D. None of these
Question 20.
Helium gas is used in gas balloons instead of hydrogen gas because it is
A. Lighter than hydrogen
B. More abundant than hydrogen
C. Non-combustible
D. More stable
Ans: C. Non-combustible
Chemistry GK MCQs all set
- Chemistry GK MCQs Set-1
- Chemistry GK MCQs Set-2
- Chemistry GK MCQs Set-3
- Chemistry GK MCQs Set-4
- Chemistry GK MCQs Set-5
- Chemistry GK MCQs Set-6
- Chemistry GK MCQs Set-7
- Chemistry GK MCQs Set-8
- Chemistry GK MCQs Set-9
- Chemistry GK MCQs Set-10
- Chemistry GK MCQs Set-11
- Chemistry GK MCQs Set-12
- Chemistry GK MCQs Set-13
- Chemistry GK MCQs Set-14
- Chemistry GK MCQs Set-15
- Chemistry GK MCQs Set-16
- Chemistry GK MCQs Set-17
- Chemistry GK MCQs Set-18
- Chemistry GK MCQs Set-19
- Chemistry GK MCQs Set-20
- Chemistry GK MCQs Set-21
- Chemistry GK MCQs Set-22
- Chemistry GK MCQs Set-23
- Chemistry GK MCQs Set-24
- Chemistry GK MCQs Set-25
- Chemistry GK MCQs Set-26
- Chemistry GK MCQs Set-27
- Chemistry GK MCQs Set-28
- Chemistry GK MCQs Set-29
- Chemistry GK MCQs Set-30
- Chemistry GK MCQs Set-31
- Chemistry GK MCQs Set-32
- Chemistry GK MCQs Set-33
- Chemistry GK MCQs Set-34
- Chemistry GK MCQs Set-35
- Chemistry GK MCQs Set-36
- Chemistry GK MCQs Set-37
- Chemistry GK MCQs Set-38
- Chemistry GK MCQs Set-39
- Chemistry GK MCQs Set-40
- Chemistry GK MCQs Set-41
- Chemistry GK MCQs Set-42
- Chemistry GK MCQs Set-43
- Chemistry GK MCQs Set-44
- Chemistry GK MCQs Set-45
- Chemistry GK MCQs Set-46
- Chemistry GK MCQs Set-47
- Chemistry GK MCQs Set-48
- Chemistry GK MCQs Set-49
- Chemistry GK MCQs Set-50
- Chemistry GK MCQs Set-51
- Chemistry GK MCQs Set-52
- Chemistry GK MCQs Set-53
- Chemistry GK MCQs Set-54
- Chemistry GK MCQs Set-55
- Chemistry GK MCQs Set-56
- Chemistry GK MCQs Set-57
- Chemistry GK MCQs Set-58
- Chemistry GK MCQs Set-59
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