National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
B

Ans 2:

Class : Class 3
it is sure sure B

Ans 3:

Class : Class 3
B

Ans 4:

Class : Class 3
B

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
ans is d

Ans 2:

Class : Class 3
ans:D

Ans 3:

Class : Class 3
none of these

Ans 4:

Class : Class 3
C

Ans 5:

Class : Class 3
D

Ans 6:

Class : Class 3
ans:D

Ans 7:

Class : Class 3
ans:D

Ans 8:

Class : Class 3

Ans 9:

Class : Class 3
D non of these

Ans 10:

Class : Class 3
ans:D

Ans 11:

Class : Class 3
d

Ans 12:

Class : Class 3
D

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 8

While demonstrating the reactivity order of different metals, a science teacher arranged the following apparatus :

Select the correct statement regarding this activity.

A A chemical change will take place in all the three beakers if metal Y is magnesium.
B There will be no change in colour of solution if metal Y is aluminium.
C The reactivity order of given metals is Y > Zinc > Iron > Copper if reaction occurs in beaker (III).
D All of these


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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 6

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5

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Subject :NSO    Class : Class 4

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