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

Latest MCQs

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

(A) Calcium barbonate
(B) Potassium Chloride

(C) Sodium Chloride
(D) Magnesium Sulphate

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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What is the first element in the periodic table?...?

(A) Hydrogen
(B) Helium

(C) Nitrogen
(D) Carbon

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Which one of the following acid is used in car’s battery...?

(A) Hydrochloric acid
(B) Hydrofluoric acid

(C) Sulfuric acid
(D) Nitric acid

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Diamond is an allotropic form of:...?

(A) Germanium
(B) Carbon

(C) Silicon
(D) Sulphur

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Cooking gas is mixture of which of the following two gases...?

(A) Methane & Carbon dioxide
(B) Oxygen & Nitrogen

(C) Butane & Propane
(D) Oxygen & Methane

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Bio gas is the common name of...?

(A) Methane (CH₄)
(B) Hydrogen gas

(C) Nitrogen gas
(D) Oxygen gas

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Composition of Alchemy is written by...?

(A) Ibn Al Haithem
(B) Jabir Bin Hayan

(C) Ibn Rushd
(D) Nasir Al Din

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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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Which is used as an electrode in the dry cell:...?

(A) Lead
(B) Graphite

(C) Molybdenum
(D) None of these

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