Consider the following statements regarding ores: i. Highly reactive metals are separated from their ores by electrolysis. ii. Metals of medium reactivity are separated from their ores by reduction. iii. Metals of least reactivity are separated from their ores by roasting

Consider the following statements regarding ores:

i. Highly reactive metals are separated from their ores by electrolysis.

ii. Metals of medium reactivity are separated from their ores by reduction.

iii. Metals of least reactivity are separated from their ores by roasting

1).

i, ii are true

2).

i,iii are true

3).

ii, iii are true

4).

i, ii, iii are true

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