The number shown below the symbol of element is called...? Mcqs

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The number shown below the symbol of element is called...?

(A) Mass Number
(B) Atomic Number

(C) Valance Number
(D) Atomic Mass

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Latest MCQs

A body is in unstable equilibrium after slight tilt if its center of gravity ______...?

(A) Remains on one side of the point of contact
(B) Remains above the point of contact

(C) Passes over the point of contact
(D) Is positioned at its bottom

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Which organ is made up of air carrying tubes and tiny sacs...?

(A) Brain
(B) Lungs

(C) Liver
(D) Heart

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Latest MCQs

The symbol denotes the proton number is ______...?

(A) P
(B) N

(C) Z
(D) A

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Which dissolves in water to form salt and water mixture...?

(A) Gas
(B) Liquid

(C) Solid
(D) None

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Gravitational force is always ______...?

(A) Repulsive
(B) Attractive

(C) Both
(D) None of these

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On heating the particles in the ice cubes will gain energy, move faster and change to liquid water. This is called...?

(A) Freezing
(B) Melting

(C) Boiling
(D) Condensation

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Which lenses are used by people having short-sightedness...?

(A) Convex
(B) Concave

(C) Concavo-convex
(D) Plain

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The correct age of solar system is approximately __________...?

(A) 4.3 Billion years
(B) 4.4 Billion years

(C) 4.5 Billion years
(D) None of these

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Yeast is used in making bread because it produces____________...?

(A) Carbon dioxide
(B) Sugar

(C) Bacteria
(D) Oxygen

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