Which gas is used in fire extinguisher...? Mcqs

Latest MCQs

Which gas is used in fire extinguisher...?

(A) Nitrogen
(B) Carbon Dioxide

(C) Oxygen
(D) Nitrogen

Latest MCQs

The process by which a substance absorbs moisture upon exposure to atmosphere is called:...?

(A) Deliquescence
(B) Efflorescence

(C) Dehydrogenation
(D) Desalination

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How many neutrons in hydrogen:...?

(A) O
(B) 1

(C) 2
(D) 3

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Cooking gas is also called...?

(A) Butane
(B) Hexane

(C) Propane
(D) LPG

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The reaction between an acid and a base to form:...?

(A) Salt & Water
(B) Acid solution

(C) Base solution
(D) Water

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What was the deadline of Kyoto Protocol for CO₂ limit upto 5,86% from 1990s to:...?

(A) 2020
(B) 2004

(C) 2012
(D) None of these

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The acid used in a car battery is:...?

(A) Acetic Acid
(B) Nitric acid

(C) Sulfuric acid
(D) Hydrochloric acid

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What is most common salt in sea water...?

(A) Calcium barbonate
(B) Potassium Chloride

(C) Sodium Chloride
(D) Magnesium Sulphate

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Which of the following gases is most predominant in the Sun...?

(A) Helium
(B) Hydrogen

(C) Nitrogen
(D) Ozone

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How many neutrons are in hydrogen...?

(A) 0
(B) 1

(C) 2
(D) 3

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