National Science Olympiad Forum By SOF Olympiad Trainer - Page 47

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Does anybody in the whole world wash oil and grease stains on clothes by removing them with petrol ?, if anybody does then please from my side, say them crazy because then the clothes will catch fire , so from my side this is also incorrect

Ans 2:

Class : Class 4
So C and B are the correct answers but there is no option like that.

Ans 3:

Class : Class 5
C is the answer

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 6

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