Atoms which lose electrons will become positively charged ion and they are known as...? Mcqs

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Atoms which lose electrons will become positively charged ion and they are known as...?

(A) Anions
(B) Ions

(C) Cations
(D) Isotopes

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Latest MCQs

Which one among the following is an example of decomposition reaction...?

(A) The formation of hydrogen and oxygen from water
(B) The formation of water from hydrogen and oxygen

(C) The formation of carbon dioxide from carbon and oxygen
(D) The formation of oxygen from nitrogen and oxygen

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Which gas is produced when trees and fossil fuels are burnt...?

(A) Carbon monoxide
(B) Carbon dioxide

(C) Nitrogen oxide
(D) Oxygen

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Which of the following is the hardest substance...?

(A) Copper
(B) Diamond

(C) Iron
(D) Silicon

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Which of the following explains the reason why there is no total eclipse of the sun...?

(A) Size of the earth in relation to that of moon
(B) Orbit of moon around earth

(C) Direction of rotation of earth around sun
(D) Area of the sun covered by the moon

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Which colour has largest wavelength in the spectrum of white light...?

(A) Violet
(B) Green

(C) Red
(D) Blue

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Electrostatic precipitator is used to control...?

(A) Air pollution
(B) Water pollution

(C) Solid waste
(D) Noise pollution

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The sun is made up of 99.9% of ________________ and ______________...?

(A) Oxygen and Hydrogen
(B) Hydrogen and Sulfur

(C) Carbon and Silicon
(D) Hydrogen and Helium

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A Fahrenheit thermometer indicates a temperature of ‘ 14°F. its corresponding reading on the Celsius scale will be _________...?

(A) – 2O°C
(B) – 10°C

(C) + 10°C
(D) + 20°C

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Ruby is an oxide of__________...?

(A) silver
(B) gold

(C) platinum
(D) aluminium oxide

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