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

Latest MCQs

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

(A) Copper
(B) Diamond

(C) Iron
(D) Silicon

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Latest MCQs

A mixture of sand and naphthalene can be separated by ________ ...?

(A) Chromatography
(B) Fractional distillation

(C) Sublimation
(D) None of these

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Latest MCQs

Which one of the following gases is readily soluble in water at room temperature...?

(A) Chlorine
(B) Nitrogen

(C) Ammonia
(D) Carbon dioxide

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Latest MCQs

Which of the following food has high protein content...?

(A) Apples
(B) Watermelon

(C) Mango
(D) Peanut

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H5N1 virus is caused of_______...?

(A) AIDs
(B) fever

(C) Bird flu
(D) non

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Latest MCQs

One of the following countries produces maximum energy from atomic reactors...?

(A) France
(B) USA

(C) UK
(D) none

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The time in which Earth completes its revolution around the Sun is________...?

(A) 365.25 days
(B) 340 days

(C) 325 days
(D) 360 days

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Solar wind is caused by the high temperature and pressure in the sun’s which atmosphere...?

(A) Photosphere
(B) Chromosphere

(C) Corona
(D) A and B

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Oil of vitriol is_________...?

(A) Nitric acid
(B) Hydrochloric acid

(C) Phosphoric acid
(D) Sulfuric acid

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On the bases of food type, animals can be classified into how many kinds...?

(A) 1
(B) 2

(C) 3
(D) 4

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