Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density...? Mcqs

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Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density...?

(A) Graham’s Law
(B) Gay-Lussac’s law

(C) Boyle’s law
(D) None of these

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What does "dehydration" mean...?

(A) Addition of water
(B) Removal of water

(C) Conversion of water into vapor
(D) Absorption of water

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Which one of the following statements is false about dynamic equilibrium...?

(A) It takes place in a close container
(B) Concentration of reactant and products are not changed

(C) Rate of forward reaction is equal to rate of reverse reaction
(D) Equilibrium cannot be disturbed by any external stress

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Leprosy is the oldest disease in the world caused by which microorganism...?

(A) Virus
(B) Fungi

(C) Bacteria
(D) None

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An animal that migrates great distances would obtain the greatest benefit from storing its energy as ____...?

(A) Fats
(B) Carbohydrates

(C) Protein
(D) Minerals

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What is total area of the earth...?

(A) 510.94 million km²
(B) 492.102 million km²

(C) 392.023 million km²
(D) 692.192 million km²

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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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Which organelle contains thread-like structures that store chemical instructions for cell growth and function...?

(A) Mitochondria
(B) Ribosomes

(C) Chromosomes
(D) Lysosomes

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In human body there are_________________kinds of bones...?

(A) 3
(B) 4

(C) 5
(D) 6

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Defeciency of following vitamin decreases hemoglobin production ...?

(A) Biotin
(B) Thiamine

(C) Niacin
(D) Pyridoxine

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