Permanent hardness of water is due to the presence of __________...? Mcqs

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Permanent hardness of water is due to the presence of __________...?

(A) Sodium bicarbonate
(B) Calcium sulfate

(C) Calcium bicarbonate
(D) None of these

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The study of the structure of the body is called _______ ...?

(A) Anthropobiology
(B) Anatomy

(C) Aphnology
(D) Apiology

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The Planet which revolves slowly around the Sun is__________...?

(A) Mercury
(B) Mars

(C) Earth
(D) Neptune

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The planet that moves round the Sun at the highest speed is_________...?

(A) Jupiter
(B) Venus

(C) Mars
(D) Mercury

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The term ‘Geography’ was coined first time by a Greek scholar _________ in 234BC...?

(A) Herodotus
(B) Thales of Miletus

(C) Eratosthenes
(D) Plato

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A truck has tyres of area 3 m^2. It puts a pressure of 4000 N/m^2 on the road. What is the weight of the truck (Hint: Weight =Force)...?

(A) 8000 N
(B) 12000 N

(C) 16000 N
(D) 20000 N

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Which one of the following is strong acid...?

(A) HF
(B) HCl

(C) HBr
(D) HI

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What is Melioidosis...?

(A) Infectious disease
(B) Loss of memory

(C) Red spot in skin
(D) Pain in joints

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In human body there are_________________kinds of bones...?

(A) 3
(B) 4

(C) 5
(D) 6

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The tendency of the object to remain at rest or, if moving, to continue its uniform motion in a straight line is called...?

(A) Inertia
(B) Momentum

(C) Friction
(D) Gravity

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