National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
ANSWER IS B

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 3

Ans 2:

Class : Class 3

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 1

Ans 2:

Class : Class 4

Ans 3:

Class : Class 1

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
The correct option is answer c Containers 1,2,4

Ans 2:

Class : Class 7
Magnetic separation can only be used in the cases in which one constituent is magnetic and the other is not. In case one Copper is not magnetic and iron is. In the second case Aluminium is not magnetic and Steel is. nIn the third case both the objects gold and the glass marble are non magnetic objects and hence magnetic separation cannot be used in this case. In the last case both Nickel as well as Steel are magnetic and thus magnetic separation cannot be used. So, magnetic separation can only be used in case 1 and case. Hence the answer is A

Ans 3:

Class : Class 7
It should be 1 and four, the option of which is not given.

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 3
the answer is a

Ans 3:

Class : Class 3
A

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
The correct answer is A.

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Subject :NSO    Class : Class 6

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