hello, I have several general questions for chemistry, will you help me a

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Irefzna

Science

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1.

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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2.

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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3.

The most electronegative element among the following is

A.sodium
B.bromine
C.fluorine
D.oxygen
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4.

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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5.

The number of d-electrons in Fe2+ (Z = 26) is not equal to that of

A.p-electrons in Ne(Z = 10)
B.s-electrons in Mg(Z = 12)
C.d-electrons in Fe(Z = 26)
D.p-electrons in CI(Z = 17)
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6.

The metallurgical process in which a metal is obtained in a fused state is called

A.smelting
B.roasting
C.calcinations
D.froth floatation
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Anonymous
Just what I was looking for! Super helpful.

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