| Fill in the blanks. |
| A chemical process in which a substance reacts with oxygen to give off heat is called _______. Wood, paper, CNG are _______ substances. The lowest temperature at which a substance catches fire is called its ______ temperature. The substances which have very low ignition temperature and can easily catch fire with aflame are called ______ substances. The amount of heat energy produced on complete combustion 1kg of a fuel is called its _____. |
A) combustible, combustion, ignition, calorific value, inflammable
B) combustion, ignition, combustible, in- flammable, calorific value
C) combustion, combustible, inflammable, ignition, calorific value
D) combustion, combustible, ignition, inflammable, calorific value
E) None of these
Correct Answer: D
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