Which of the following gas diffuses fastest...? Mcqs

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Which of the following gas diffuses fastest...?

(A) Hydrogen
(B) Chlorine

(C) Fluorine
(D) Helium

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Latest MCQs

what are stars mainly made of ...?

(A) Balls of gass
(B) Rock

(C) Ice
(D) Light

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The association between two different types of organism which get benefit to each other, cannot live without each other is called...?

(A) Parasitism
(B) Commensalism

(C) Mutualism
(D) Predation

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Tetanus is caused by____________...?

(A) Clostridium
(B) Virus

(C) Bacteriophage
(D) Salmonella

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LPG consists of mainly:___________...?

(A) Methane, Ethane and Hexane
(B) Ethane, Hexane and Nonane

(C) Methane, Hexane and Nonane
(D) Methane, Butane and Propane

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When a patient’s immune system becomes reactive to a drug, this is an example of...?

(A) Super infection
(B) Drug resistance

(C) Allergy
(D) none

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What has no charge, and is one of the fundamental particles making up an atom’s nucleus...?

(A) Electron
(B) Neutron

(C) Proton
(D) All of Above

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When red litmus paper dipped basic, its colour change to ____...?

(A) Blue
(B) Pink

(C) Red
(D) Dark

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On the Moon, the escape velocity is: __________...?

(A) Less than on Earth due to its lower mass and smaller radius
(B) More than on Earth due to its smaller radius

(C) The same as on Earth because escape velocity is a constant
(D) Dependent on the time of day

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A thick cloud of water droplets on the earth’s surface is called...?

(A) Dew
(B) Fog

(C) Frost
(D) Rain

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