National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 8

Post Your Answer

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

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
D

Ans 2:

Class : Class 3
C

Ans 3:

Class : Class 3
ans is d

Ans 4:

Class : Class 3
D non of these

Ans 5:

Class : Class 3
ans:D

Ans 6:

Class : Class 3
d

Ans 7:

Class : Class 3
ans:D

Ans 8:

Class : Class 3
none of these

Ans 9:

Class : Class 3
D

Ans 10:

Class : Class 3

Ans 11:

Class : Class 3
ans:D

Ans 12:

Class : Class 3
ans:D

Post Your Answer

Subject :NSO    Class : Class 8

Post Your Answer

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


Post Your Answer

Subject :NSO    Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5

Ans 3:

Class : Class 6

Ans 4:

Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 4

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
It is written not common then how will the ans be D

Ans 2:

Class : Class 5

Ans 3:

Class : Class 5
they all are mammals and give birth to young ones whereas dolphin and whales do not have hairs on their body

Ans 4:

Class : Class 5
Why will the answer be D? The animals are dolphin, whale, bat, bear and platypus, and they are all mammals and give birth to young ones. This is a common feature, but the question says to mention the uncommon feature. The answer should be C for sure. The solution given is wrong.

Ans 5:

Class : Class 4
Both B and D are correct

Ans 6:

Class : Class 4
it is written not common and then also it's saying D

Ans 7:

Class : Class 5
platypus lays eggs! Go search it on google

Ans 8:

Class : Class 5
In platypus they lay eggs

Post Your Answer