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

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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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Bronze is an alloy of...?

(A) Copper and Bronze
(B) Lead and Tin

(C) Copper and Tin
(D) None of these

Latest MCQs

Chemical formula of baking soda is ______...?

(A) Na2CO3
(B) K2CIO3

(C) Na2SO4
(D) NaHCO3

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Which of the following is not a chemical reaction...?

(A) Burning of a paper
(B) Conversion of Water into stream

(C) Digestion of food
(D) Burning of coal

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Which gas is used to make soda water...?

(A) Ammonia
(B) Hydrogen

(C) Nitrogen
(D) Carbon Dioxide

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Vitamin C is abundantly found in ...?

(A) Leman
(B) Guava

(C) Apple
(D) Mango

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What are liquids that evaporate quickly, called...?

(A) Volatile
(B) Viscous

(C) Evaporative
(D) None of these

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Brass gets discolored in air because of the presence of which of the following gases in air:...?

(A) Carbon dioxide
(B) Hydrogen sulfide

(C) Nitrogen
(D) Oxygen

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The reaction between an acid and a base is called neutralization reaction, product of this reaction is ______...?

(A) salt and water
(B) acid solution

(C) base solution
(D) water

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Which gas is filled in electric bulb...?

(A) Nitrogen
(B) Oxygen

(C) Carbon dioxide
(D) None of these

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