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When the Material a Mined from the Earth is Heated Strongly in an Insufficient Supply of Air, It Produces a Solid Fuel B Which Consists Mainly of Carbon. When Another Material C Obtained from Trees is Heated in an Insufficient Supply of Air, It Produces Another Solid Fuel D Which Also Consists Mainly of Carbon. Name A, B, C and D - CBSE Class 10 - Science

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Question

When the material A mined from the earth is heated strongly in an insufficient supply of air, it produces a solid fuel B which consists mainly of carbon. When another material C obtained from trees is heated in an insufficient supply of air, it produces another solid fuel D which also consists mainly of carbon. Name A, B, C and D

Solution

A: Coal (mined from the earth)
Coal is mined from the earth.
B: Coke. It consists mainly of carbon.
C: Wood. It is obtained from trees.
D: Charcoal. It consists mainly of carbon.

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Solution When the Material a Mined from the Earth is Heated Strongly in an Insufficient Supply of Air, It Produces a Solid Fuel B Which Consists Mainly of Carbon. When Another Material C Obtained from Trees is Heated in an Insufficient Supply of Air, It Produces Another Solid Fuel D Which Also Consists Mainly of Carbon. Name A, B, C and D Concept: Conventional Sources of Energy.
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