Question: 13. Table 3.8 contains information about four solid substances, A to D. Which of these substances could be? (a) copper (b) sodium chloride (c) iron

13. Table 3.8 contains information about four solid substances, A to D.

A B Hard or soft soft hard Conducts electricity Conducts heat Soluble
Which of these substances could be?

(a) copper

(b) sodium chloride

(c) iron

(d) graphite

A B Hard or soft soft hard Conducts electricity Conducts heat Soluble in water yes no no no yes C soft yes yes D hard no no Ou Table 3.8

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