National Science Olympiad Forum By SOF Olympiad Trainer - Page 110

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 3

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ohh

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Option D is correct...both the cells use electric current to produce a chemical reaction.

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Subject :NSO    Class : Class 6

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what about the hands of clock, they show rotational motion

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Subject :NSO    Class : Class 7

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