National Science Olympiad Forum By SOF Olympiad Trainer - Page 304

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
ANS IS AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
A is the correct answer as linen is a synthetic material thus not obtained from plants

Ans 2:

Class : Class 5
the answer is B

Ans 3:

Class : Class 9
Its b because plastic is a bad conductor of both heat and electricity

Ans 4:

Class : Class 5

Ans 5:

Class : Class 6

Ans 6:

Class : Class 5
Class:easy

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Galvanization is a physical change. it is correct statement

Ans 2:

Class : Class 7
Galvanization is the process of applying a protective zinc coating to steel or iron surface, to protect it from rusting. The steel parts are submerged in a bath of molten zinc. While steel is immersed in zinc, a metallurgical reaction occurs between the iron in the steel and the molten zinc. So, this is a chemical process.

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
d is correct

Ans 2:

Class : Class 6
D should be correct

Ans 3:

Class : Class 8
i guess D is also correct

Ans 4:

Class : Class 6
Answer is B

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 7

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