Question 16 Fill in the blanks in the following sentences. (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 ignition temperature. (d) The substances which have very ________________ ignition temperature and can easily catch fire with a flame are called __________ substances. (e) The substances which vapourise during __________, give flame.

Question 16 Fill in the blanks in the following sentences. (a) A _____

1.	Question 16 Fill in the blanks in the following sentences. (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 ignition temperature. (d) The substances which have very ________________ ignition temperature and can easily catch fire with a flame are called __________ substances. (e) The substances which vapourise during __________, give flame.
Answer» Question 16 Fill in the blanks in the following sentences. (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 ignition temperature. (d) The substances which have very ________________ ignition temperature and can easily catch fire with a flame are called __________ substances. (e) The substances which vapourise during __________, give flame.