InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
Fill in the blanks using the words given in the box. ignition, petrol, combustion, calorific value, combustible, inflammable (a) A chemical process in which a substance reacts with oxygen to give off heat is called ______.(b) Wood, paper, CNG are __________ substances.(c) The lowest temperature at which a substance catches fire is called its ______ temperature.(d) Ignition temperature of _______ is lower than that of wood.(e) The substances which have very low _______ temperature and can easily catch fire with a flame are called _______ substances.(f) The amount of heat energy produced on complete combustion of 1kg of a fuel is called its ______. |
|
Answer» Fill in the blanks using the words given in the box.
(a) A chemical process in which a substance reacts with oxygen to give off heat is called ______. (b) Wood, paper, CNG are __________ substances. (c) The lowest temperature at which a substance catches fire is called its ______ temperature. (d) Ignition temperature of _______ is lower than that of wood. (e) The substances which have very low _______ temperature and can easily catch fire with a flame are called _______ substances. (f) The amount of heat energy produced on complete combustion of 1kg of a fuel is called its ______. |
||