State whether the following statements are True/False.
(i) Air is necessary for combustion.
(ii) Magnesium is a non-combustible metal.
(iii) Carbon dioxide is an excellent fire extinguisher.
(iv) Calorific value of wood is higher than that of coal.

AcademicChemistryNCERTClass 8

(i) True
Air contains oxygen and oxygen is a supporter of combustion.
(ii) False
Magnesium is a combustible metal.
(iii) True
Carbon dioxide is an excellent fire extinguisher.
(iv) False
The calorific value of coal is higher than that of wood.
raja
Updated on 10-Oct-2022 13:26:57

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