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.


NCERT Class VIII
Science - Exemplar Problems

Chapter 6. Combustion and Flame

2

Answers

2015-06-12T15:39:01+05:30
(a) True.

(b)False. Magnesium is a combustible metal.

(c)True.

(d)False.The calorific value of wood is higher than that of coal.
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2015-06-12T15:42:28+05:30
(i) This is true.
(ii) This is false . Mg is a combustible metal.
(iii)This is true.
(iv) This is false.Calorific value of wood is lower than that of coal.
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