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CBSE Notes 2011-2012 » VIII-Science

Coal and Petroleum

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

A brownish-black sedimentary rock is known as

Multiple choice question

A brownish-black sedimentary rock is known as

Peat is a type of

Multiple choice question

Peat is a type of

The most pure form of carbon fuel is

Multiple choice question

The most pure form of carbon fuel is

The fossil fuel found below the sea is

Multiple choice question

The fossil fuel found below the sea is

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