Chemistry
WAEC 1992
Which of the following accounts for the difference in the mode of conduction of electricity by metals and aqueous salt solutions?
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A.
Electrons are present in metals but not in salt solutions
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B.
Metals are conductors while salts are electrolytes
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C.
Electricity is carried by mobile elrctrons in metals but by ions is aqueous salt solution
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D.
salts ionize in aqueous solutions while metals do not
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E.
Metals are reducing agents while salts are not
Correct Answer: Option C
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