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

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

(A) Mass Number
(B) Valency

(C) Atomic Number
(D) Oxidation State

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Latest MCQs

_____ species are given scientific names....?

(A) All
(B) Some

(C) Few
(D) None

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The number of neutron(s) in Protium is ______...?

(A) One
(B) Three

(C) Two
(D) No

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Ozone layer is part of ______...?

(A) Mesosphere
(B) Stratosphere

(C) Thermosphere
(D) Troposphere

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Substance whose atoms can be split are known as __________ materials....?

(A) Fusionable
(B) Fissionable

(C) Combustible
(D) None of these

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Underground water and the water on the earth’s surface is called ...?

(A) Mezosphere
(B) Ionosphere

(C) Hydrosphere
(D) None of these

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Mass of Earth is _____...?

(A) 6.0 x 10^23 kg
(B) 6.0 x 10^24 kg

(C) 6.0 ´ 10^25 kg
(D) 6.0 ´ 10^26 kg

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Earth is closest to the sun every year in early ______________, when it’s winter for the Northern Hemisphere. We’re farthest away from the sun in early __________________, during our Northern Hemisphere summer....?

(A) January – July
(B) June – December

(C) July – January
(D) December – June

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If order and corresponding element of the matrices are same then matrices are said to be...?

(A) scalar
(B) diagonal

(C) equal
(D) rectangular

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The value of acceleration due to gravity is minimum on which of these planets...?

(A) Mars
(B) Jupiter

(C) Mercury
(D) Neptune

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