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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 |
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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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