Welcome to cbsenotes.com! To post messages or access any member only section, you will need an account. Create your free account now.
Already a member ? Click here to login
CBSE Notes 2011-2012 » VIII-Science

Coal and Petroleum

Black gold' is another name for

Multiple choice question

Black gold' is another name for

The process of slow conversion of dead vegetation into coal is called

Multiple choice question

The process of slow conversion of dead vegetation into coal is called

The white semi-solid fraction of petroleum used for making vaseline is

Multiple choice question

The white semi-solid fraction of petroleum used for making vaseline is

Out of the following, which fuel is best used in the homes ?

Multiple choice question

Out of the following, which fuel is best used in the homes ?

Wind, sun and hydropower are

Multiple choice question

Wind, sun and hydropower are

The unit of calorific value of fuels is

Multiple choice question

The unit of calorific value of fuels is

Syndicate content