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Multiple Choice Questions GK on Gases

Question 1 : Which one of the following noble gases is not found in the atmosphere (negligible quantity)?

A. Xenon

B. Radon

C. Krypton

D. Argon

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Gas, Radon,

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Question 2 : Which one of the following is a major constituent of Biogas?

A. Nitrogen Dioxide

B. Hydrogen

C. Methane

D. Carbon dioxide

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Question Listed : Gas, Methane,

Question 3 : Which one of the following gases is opaque to outgoing terrestial radiation but transparent to incoming solar radiation?

A. Helium

B. Nitrogen

C. Carbondioxide

D. Oxygen

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Question Listed : Carbon Dioxide, Gas,

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Question 4 : Which one among the following is strong smelling agent added to LPG cylinder to help in the detection of gas leakage?

A. Chloroform

B. Methane

C. Thioethanol

D. Ethanol

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Question Listed : Gas,

Question 5 : Which of the following noble gases is most abundant in Earths atmosphere?

A. Neon

B. Helium

C. Xenon

D. Argon

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Question Listed : Argon, Gas,

Question 6 : Which of the following is the lightest gas?

A. radon

B. xenon

C. helium

D. hydrogen

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Question Listed : Gas, Hydrogen,

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Question 7 : Which of the following is not a method of preparing oxygen?

A. Decomposition of manganese dioxide

B. Decomposition of potassium permanganate

C. Fractional distillation of liquid air

D. Electrolysis of water

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Question Listed : Gas,

Question 8 : Which of the following gases is considered a better substitute to air in car tyres?

A. Oxygen

B. Helium

C. Nitrogen

D. Hydrogen

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Question Listed : Nitrogen, Gas,

Question 9 : Which is the lowest layer of the atmosphere ?

A. Thermosphere

B. Mesosphere

C. Stratosphere

D. Troposphere

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Question Listed : Gas, Troposphere,

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Question 10 : Which among the following nontoxic gases helps in formation of enzymes which ripen fruit?

A. Carbon dioxide

B. Methane

C. Ethane

D. Acetylene

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Question Listed : Gas, Acetylene,

Question 11 : What is the major role of a greenhouse gas that contributes to temperature rise of the earths surface?

A. Lets incoming sunlight pass through but stops outgoing infrared radiation

B. Lets outgoing infrared radiation pass through but stops incoming sunlight

C. Stops both incoming sunlight and outgoing infrared radiation

D. Transparent to both incoming sunlight and outgoing infrared radiation

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Question Listed : Gas,

Question 12 : What is the chemical name of Laughing Gas?

A. Nitrous oxide

B. Calcium sulphate

C. Sodium carbonate

D. Silver nitrate

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Question Listed : Gas, Nitrous Oxide,

Question 13 : Troposphere is the hottest part of the atmosphere because

A. heat is generated in it

B. it is heated by the Earths surface

C. there are charged particles in it

D. it is closest to the Sun

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Question Listed : Gas,

Question 14 : The vertical movement of air is termed as

A. Air mobility

B. Air turbulence

C. Air Current

D. wind

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Question Listed : Gas,

Question 15 : The Refrigerant FREON is

A. Hydrofluosilicic Acid

B. Flourspar and Felspar

C. Diflouro Dichloro Methane

D. Calcium Tetra Flouride

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Question Listed : Gas, Methane,

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