15 Questions
What is the main difference between the burning of a candle and the burning of coal?
A candle burns with a flame, while coal does not.
What are some examples of fuels used for running automobiles?
Petrol, diesel, and CNG
Why does charcoal burn in air?
Because it is a combustible substance
What is the chemical process of burning known as?
Combustion
What does magnesium burn to form when it undergoes combustion?
Magnesium oxide
Which substance mentioned can be classified as a combustible substance?
Coal
'Combustion' is a process that involves the reaction of a combustible substance with what element?
Oxygen
What is the main difference between the burning of a candle and the burning of coal?
Candle burns with a flame whereas coal does not.
What is combustion?
Combustion is a process that involves the reaction of a combustible substance with oxygen.
What does charcoal burn to form in air?
Charcoal burns in air to form carbon dioxide, heat, and light.
What are some examples of fuels used for running automobiles?
Fuels like petrol, diesel, compressed natural gas (CNG), coal, wood, and cow dung are used for running automobiles.
What is a combustible substance?
A combustible substance is a material that can undergo combustion easily.
What is the chemical process of burning known as?
The chemical process of burning is known as combustion.
What is the result of burning magnesium ribbon?
Magnesium burns to form magnesium oxide, while producing heat and light.
What types of flame are produced during the combustion process?
During combustion, different types of flames can be produced, such as a glow or flameless combustion.
Test your knowledge on combustible substances like cow dung, wood, coal, petrol, and more. Learn about the differences in burning between a candle and fuels like coal.
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