Class 7 Science MCQs - Chapter 8
Energy Resources: Science Trivia Questions & Answers PDF Download - 8
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Energy Resources Science Test Questions and Answers PDF Download: MCQ 8
Although solar energy is safe, free of pollution and freely available but it is difficult to
- harness
- conserve
- store
- transfer
Plankton (marine micro-organism), buried under heat and pressure for a long period, turned in to
- crude oil
- natural gas
- coal
- kerosene
Coal, crude, petroleum and natural gas are examples of
- elements
- man made fuels
- fossils fuel
- compounds
The heat obtained from solar furnace is used to drive
- turbines
- electricity generators
- vehicles
- both a and b
An alcohol which is produced from sugarcane, corn and other plants by fermentation is called
- ethanol
- methanol
- propanol
- glycol
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