Chemistry
Grade-10
Easy

Question

Which of the following is correctly matched?

  1. (a) – (ii), (b) – (iii), (c) – (i), (d) – (ii)
  2. (a) – (iv), (b) – (iii), (c) – (ii), (d) – (i)
  3. (a) – (iv), (b) – (iii), (c) – (i), (d) – (ii)
  4. (a) – (ii), (b) – (iii), (c) – (i), (d) – (ii)

hintHint:

Chlorate is ClO3-

The correct answer is: (a) – (iv), (b) – (iii), (c) – (i), (d) – (ii)


    Calcium chlorate - Ca(ClO3)2
    Caustic potash - NaOH
    Sodium carbonate - Na2CO3
    Sodium sulphate - Na2SO4

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