Which base is employed as the electrolyte in alkaline batteries:...? Mcqs

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Which base is employed as the electrolyte in alkaline batteries:...?

(A) Calcium hydroxide
(B) Potassium hydroxide

(C) Iron hydroxide
(D) Aluminum hydroxide

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Why is the Ozone important for mankind...?

(A) Protection from ultraviolet rays of sun
(B) It releases oxygen in the air

(C) It maintains temperature of the earth
(D) It releases hydrogen in the atmosphere

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The energy generation in starts is due to ...?

(A) Fission of heavy nuclei
(B) Fusion of light nuclei

(C) Fusion of heavy nuclei
(D) None of these

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Every action has reaction which are equal but in opposite direction, This law is called...?

(A) Newton's First Law of motion
(B) Newton's Second Law of motion

(C) Newton's Third Law of motion
(D) None of these

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The coldest planet of solar system is...?

(A) Venus
(B) Earth

(C) Uranus
(D) Pluto

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Mixture of two metals is called...?

(A) Dispersant
(B) Alloy

(C) Amalgam
(D) Metaloid

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The planet nearest to the sun is:...?

(A) Jupiter
(B) Saturn

(C) Mercury
(D) Earth

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Radioactivity measured by which device:...?

(A) Radioactivity meter
(B) Geiger counter

(C) Roll counter
(D) None of these

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Who discovered the force of attraction or repulsion:...?

(A) Faraday
(B) Wander wall

(C) Coulomb
(D) None of these

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Famous British Physicist Stephen Hawking died at the age of _________?

(A) 75
(B) 76

(C) 80
(D) 82

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