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NCERT TELUGU-COAL AND PETROLIUM-EXERCISE
- name three natural resources on the earth?
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- What are exhaustive resources? Give two examples.
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- What are inexhaustible resources ? Give examples.
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- Group discussion on misuse of fuel resource and its consequences. Wha...
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- What is meant by fractional distillation?
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- What liquid hydrogen is natural gas ? Why it has become an important f...
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- What is coal tar? How is it useful to us?
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- Draw a diagram showing existence of various fuels like natural gas-pet...
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- What are the varieties of coal that differ in their uses ?
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- What are the different uses of fuels in daily life.
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- How is coal formed in the interior of the earth?
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- What are the uses of coal tar?
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- What are the petro-chemical products used for household (domestic) use...
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- Can you give some more examples where energy or fuel resources are mis...
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- Write an experiment which shows that when we heat high quality coal (c...
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- Write an experiment which shows that when we heat high quality coal (c...
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- Why are coal and petroleum so versatile?
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- Which one of the following is less polluting fuel?
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- The main constituent of coal is
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- Which one of the following materials is used for making shoe polish ?
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