The chemical formula for methane gas is...? Mcqs

Latest MCQs

The chemical formula for methane gas is...?

(A) CH8
(B) CH6

(C) CH4
(D) CH2

Latest MCQs

Which of the following does not pollute the air...?

(A) Nitrogen Dioxide
(B) Sulfur dioxide

(C) Carbon dioxide
(D) none of these

Latest MCQs

Which element has the most % in human body...?

(A) Oxygen 65%
(B) Calcium 75%

(C) Hydrogen 10%
(D) Carbon 18%

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How much percentage of water on the earth is freshwater...?

(A) 2.5%
(B) 3.5%

(C) 4.5%
(D) 5.5%

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The continuous flow of electrons is made possible by a device called...?

(A) Cathode
(B) Electron gun

(C) Anode
(D) Filament

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The difference in the duration of day and night increases as one moves from:_________...?

(A) West to East
(B) East and west of the prime meridian

(C) Equator to poles
(D) None of these

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The maximum number of electrons L orbit possesses...?

(A) 4
(B) 8

(C) 12
(D) 18

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Chemically finger nails are made up of ____________...?

(A) Carbohydrate
(B) Fats

(C) protein
(D) Starch

Latest MCQs

Which type of wave cannot travel through a vacuum...?

(A) Sound waves
(B) Microwaves

(C) Infra-red radiation
(D) X-rays

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Degree of variation within or among the species exists on different regions of the earth called...?

(A) Adaptation
(B) Extinction

(C) Evolution
(D) Biodiversity

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