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Question 22 Indicate whether the following statements are true or false. Also write the false statements in their correct form. (a) Air is necessary for combustion. (b) Magnesium is a non-combustible metal. (c) Carbon dioxide is an excellent fire extinguisher. (d) Calorific value of wood is higher than that of coal

Answer» Question 22
Indicate whether the following statements are true or false. Also write the false statements in their correct form.
(a) Air is necessary for combustion.
(b) Magnesium is a non-combustible metal.
(c) Carbon dioxide is an excellent fire extinguisher.
(d) Calorific value of wood is higher than that of coal


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