Podcast
Questions and Answers
What is the main difference between the burning of a candle and the burning of coal?
What is the main difference between the burning of a candle and the burning of coal?
- Coal burns with a white flame, while a candle burns with a yellow flame.
- A candle burns with a flame, while coal does not. (correct)
- A candle burns without producing heat, while coal produces heat.
- Coal burns faster than a candle.
What are some examples of fuels used for running automobiles?
What are some examples of fuels used for running automobiles?
- Sand, brick, and coal
- Petrol, diesel, and CNG (correct)
- Cow dung, wood, and sand
- Charcoal, sand, and brick
Why does charcoal burn in air?
Why does charcoal burn in air?
- Because it produces oxygen
- Because it reacts with water
- Because it cools the surroundings
- Because it is a combustible substance (correct)
What is the chemical process of burning known as?
What is the chemical process of burning known as?
What does magnesium burn to form when it undergoes combustion?
What does magnesium burn to form when it undergoes combustion?
Which substance mentioned can be classified as a combustible substance?
Which substance mentioned can be classified as a combustible substance?
'Combustion' is a process that involves the reaction of a combustible substance with what element?
'Combustion' is a process that involves the reaction of a combustible substance with what element?
What is the main difference between the burning of a candle and the burning of coal?
What is the main difference between the burning of a candle and the burning of coal?
What is combustion?
What is combustion?
What does charcoal burn to form in air?
What does charcoal burn to form in air?
What are some examples of fuels used for running automobiles?
What are some examples of fuels used for running automobiles?
What is a combustible substance?
What is a combustible substance?
What is the chemical process of burning known as?
What is the chemical process of burning known as?
What is the result of burning magnesium ribbon?
What is the result of burning magnesium ribbon?
What types of flame are produced during the combustion process?
What types of flame are produced during the combustion process?
