Chemistry
Grade-10
Easy

Question

Match the following according to the correct order of reactivity.
a) Potassium i) 4
b) Calcium ii) 2
c) Zinc iii) 3
d) Lead iv) 1

  1. a - iv, b - ii, c - iii, d - i
  2. a - iii, b - iv, c - i, d - ii
  3. a - i, b - ii, c - iii, d - iv
  4. a - iv, b - ii, c - i, d - iii

hintHint:

a-iv, b-ii, c-iii, d-i

The correct answer is: a - iv, b - ii, c - iii, d - i


    The order of reactivity of metals is as follows:
    potassium - 1
    calcium - 2
    zinc - 3
    lead - 4

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