Average salinity or ratio of salt as per kilogram of water of ocean is__________...? Mcqs

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Average salinity or ratio of salt as per kilogram of water of ocean is__________...?

(A) 35 grams
(B) 55 grams

(C) 32 grams
(D) 42 grams

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An atom is_____________...?

(A) smallest indivisible particle in an element
(B) smallest particle of an element which can undergo a chemical reaction

(C) building block of an element
(D) always smaller than molecule

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Mass of Earth is___________...?

(A) 5.972 × 1024 kg.
(B) 6.972 × 1024 kg

(C) 7.972 × 1024 kg
(D) 8.972 × 1024 kg

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Radon is___________...?

(A) germon radio
(B) radio active gas

(C) artificial fibre
(D) an explosive

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Latest MCQs

Albatros is__________...?

(A) A sea bird
(B) A beetle

(C) A fruit
(D) None

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Water is a ______...?

(A) Polar solvent
(B) Non-polar solvent

(C) Amphiphatic solvent
(D) Non-polar charged solvent

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