MEDIUM
8th CBSE
IMPORTANT
Earn 100

What is ignition temperature? Why are substances such as alcohol and petrol called inflammable substances?

Important Questions on Combustion and Fossil Fuels

MEDIUM
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 5 - Combustion and Fossil Fuels>Exercises>Q C
Describe the two common type of fire extinguishers.
MEDIUM
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 5 - Combustion and Fossil Fuels>Exercises>Q C
Differentiate between luminous and non-luminous flame.
MEDIUM
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 5 - Combustion and Fossil Fuels>Exercises>Q C
What is fuel? Give two examples each of solid, liquid and gaseous fuels.
MEDIUM
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 5 - Combustion and Fossil Fuels>Exercises>Q C
Why are methane and LPG considered ideal for use as domestic fuels?
MEDIUM
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 5 - Combustion and Fossil Fuels>Exercises>Q C
Write any two ways in which we can conserve fossil fuels.
MEDIUM
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 5 - Combustion and Fossil Fuels>Exercises>Q C
Differentiate between exhaustible and inexhaustible natural resources. Give two examples of each.
MEDIUM
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 5 - Combustion and Fossil Fuels>Exercises>Q D
Explain the different zones of a candle flame.
MEDIUM
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 5 - Combustion and Fossil Fuels>Exercises>Q D
What is a calorific value of a fuel? Write any four characteristics of an ideal fuel.