Question

Substance ‘A’ reacts with dilute hydrochloric acid violently, ‘B’ reacts slowly while ‘C’ does not react at all. A, B, and C could be respectively

a) A- copper, B- aluminium, C- iron
b) A- aluminium, B- sodium, C- copper
c) A- sodium, B- copper, C- iron
d) A- potassium, B- Iron, C- copper

Answer 1

Answer:

option (a) is correct...