The substances which have very low ignition temperature and can easily catch fire with a flame are called
Conducting substances
Flammable substances
Inflammable substances
Non conducting substances
The lowest temperature at which a substance starts burning is called
Minimum temperature
Maximum temperature
Boiling temperature
Ignition temperature
The amount of heat energy produced on complete combustion of 1kg of a fuel is called its
Calorific value
Efficiency
Heat capacity
Specific heat capacity
A chemical process in which a substance reacts with oxygen to give off heat is called
Combustion
Addition
Substitution
Thermal cracking
Which of the following gas produced can kill persons sleeping in a closed room where coal is burning?
Carbon monoxide
Carbon dioxide
Oxygen
Hydrogen
Which are known as combustible substances?
Reactants
Fuels
Catalysts
Products
Which of the following is a noncombustible substance?
Coke
Diamond
Coal
Wood
The lowest temperature at which a substance catches fire is called its
Inversion temperature
Freezing temperature
Which of the following poisonous gas is produced as a result of incomplete combustion?
LPG stands for
Liquid petrolium gas
Light petrolium gas
Liquid phosphorous gas
None of these
