Exercise: Chemistry

Questions for: Chemistry

The metal used to recover copper from a solution of copper sulphate is
A:
Na
B:
Ag
C:
Hg
D:
Fe
Answer: D
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The most electronegative element among the following is
A:
sodium
B:
bromine
C:
fluorine
D:
oxygen
Answer: C
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The number of moles of solute present in 1 kg of a solvent is called its
A:
molality
B:
molarity
C:
normality
D:
formality
Answer: A
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The nucleus of an atom consists of
A:
electrons and neutrons
B:
electrons and protons
C:
protons and neutrons
D:
All of the above
Answer: C
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