Molarity of a solution which is prepared by dissolving 40g sodium chloride in 500cm^3 of solution is...? Mcqs

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Molarity of a solution which is prepared by dissolving 40g sodium chloride in 500cm^3 of solution is...?

(A) 1.4M
(B) 1.33M

(C) 1.33M
(D) 1.5M

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The splitting of a heavy nucleus into smaller nuclei is called...?

(A) Fusion
(B) Fission

(C) Half-life
(D) Gamma decay

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pH value of Blood or Red Blood Cells ...?

(A) 5
(B) 6

(C) 7.35-7.45
(D) 8-10

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What would happen to the escape velocity if the mass of the Earth were doubled, keeping the radius the same...?

(A) It would remain the same
(B) It would increase by a factor of 2sqrt{2}2​

(C) It would double
(D) It would decrease by a factor of 2sqrt{2}2

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Growth is provided by________...?

(A) Protein
(B) Minerals

(C) Vitamins
(D) Carbohydrates

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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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Stratosphere is present at an altitude between _________....?

(A) 15 km and 35 km
(B) 17 km and 35 km

(C) 18 km and 35 km
(D) 19 km and 35 km

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Which is a tertiary consumer that eats the mouse, the primary consumer, and the cat the secondary consumer...?

(A) Mouse
(B) Wolf

(C) Hawk
(D) Cat

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Inside which organ is the gallbladder located...?

(A) Pancreas
(B) Liver

(C) Kidney
(D) Small intestine

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Which metal pollute the air of a big city...?

(A) Copper
(B) Chromium

(C) Lead
(D) Cadmium

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