Question:
Fill in the blanks.
(a)A ……….. process in which a substance reacts with ……….. to give off heat
is called combustion.
(b) When the clothes of a person catch …………the person is covered with a…………… to extinguish fire.
(c) The………….. temperature at which a substance catches fire is called its…………..temperature.
(d) The substances which gave very …………..ignition temperature and can easily catch fire with a flame are called………….substances.
(e) The substances which vaporise during……………..give flame.
Solution:
(a) chemical, oxygen
(b) fire, blanket
(c) lowest, ignition
(d) low, inflammable
(e) burning