Question

What is the correct sentence?

(A) Water with salts dissolved in it does conduct electricity.

(B) Pure water conduct electricity.

(C) Metals does not conduct electricity.

(D) Material that does not allow electricity to pass through it are called conductors.

(E) We don’t need to choose the right materials for electrical appliances.

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Answer 1

Resposta:

letra A

Explicação:

A partir do momento que a água pura é misturada com sal, a grande quantidade de íons gerada nas moléculas faz com que a condução elétrica se torne muito alta.