Combustion
Combustion: Overview
This topic covers concepts, such as, Combustion, Combustible Substances, Fire & Fuel etc.
Important Questions on Combustion
We can live our life without fire, it is not necessary thing in our life.
A chemical reaction in which substance reacts with carbon dioxide to gives off heat is called combustion.
Which of the following is not required for combustion?
What all are the things required for combustion?
Read the poem and answer the question below.
"The wheels of the train go (Chuk, Chuk, Chuk),
The Wheels of the train go (Chuk, Chuk, Chuk),
All day long Pulled by the engine (slow and fast),
Pulled by the engine (slow and fast),
All day long To make it start and make it go,
Fill in the diesel feed in coal,
To make it start and make it go all day long".
What is used to run the engine?
Read the poem and answer the question below.
"The wheels of the train go (Chuk, Chuk, Chuk),
The Wheels of the train go (Chuk, Chuk, Chuk),
All day long Pulled by the engine (slow and fast),
Pulled by the engine (slow and fast),
All day long To make it start and make it go,
Fill in the diesel feed in coal,
To make it start and make it go all day long".
Who pulls the train?
Can’t we do several things at home itself to conserve energy?
How is heat produced in a firewood stove? What are the substances burnt to produce heat in a kerosene stove and a gas stove?
The temperature at which a particular substance catches fire in the presence of oxygen is called
Which of the following substance is non-combustible?
The substances which catch fire easily in the presence of oxygen are called
Differentiate between: Combustion and Rusting
_____ is the process of burning of substances in the air with the evolution of heat and light.
The amount of heat energy produced on complete combustion of 1 kg of fuel is called its _____.
Choose the correct statement about the inflammable substances.
Which of the following substance has the highest ignition temperature?
Which of the following substance is non-combustible in nature?
When magnesium ribbon burns in air, it produces
The lowest temperature at which a combustible substance catches fire is called as its
