Practice MCQ Questions and answers on Chemistry-GK

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1.
Which of the following phenomenon is considered responsible for Global Warming?

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2.
The nucleus of an atom consists of

A. electrons and neutrons

B. electrons and protons

C. protons and neutrons

D. All of the above

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3.
The number of moles of solute present in 1 kg of a solvent is called its

A. molality

B. molarity

C. normality

D. formality

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4.
The most electronegative element among the following is

A. sodium

B. bromine

C. fluorine

D. oxygen

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5.
The metal used to recover copper from a solution of copper sulphate is

A. Na

B. Ag

C. Hg

D. Fe

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