Chemical formula of baking soda is ______...? Mcqs

Latest MCQs

Chemical formula of baking soda is ______...?

(A) Na2CO3
(B) K2CIO3

(C) Na2SO4
(D) NaHCO3

Latest MCQs

Bio gas is the common name of...?

(A) Methane (CH₄)
(B) Hydrogen gas

(C) Nitrogen gas
(D) Oxygen gas

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Diamond is an allotropic form of:...?

(A) Germanium
(B) Carbon

(C) Silicon
(D) Sulphur

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How many Neutrons in Hydrogen:...?

(A) O
(B) 1

(C) 2
(D) None of these

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What makes a lemon sour...?

(A) Tartaric acid
(B) Citric acid

(C) Acetic acid
(D) Hydrochloric acid

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James Chadwick is known for his discovery...?

(A) Proton
(B) Neutron

(C) Electron
(D) None of these

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Which of the following has the maximum density...?

(A) Water
(B) Ice

(C) Benzene
(D) Chloroform

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Which is used as an electrode in the dry cell:...?

(A) Lead
(B) Graphite

(C) Molybdenum
(D) None of these

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It is not advisable to sleep under a tree at night because of the release of:...?

(A) more oxygen
(B) less oxygen

(C) Carbon dioxide
(D) Carbon monoxide

Latest MCQs

Which is the first element in the periodic table...?

(A) Hydrogen
(B) Helium

(C) Nitrogen
(D) Carbon

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