National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
the correct answer is a

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
It can be Q because if P is moved clockwise then R would move anticlockwise making Q move clockwise, but if Q moves anticlockwise then it will make R move clockwise making P move anticlockwise, which is it's opposite. So Q is incorrectly marked.

Ans 2:

Class : Class 6
If p is the driving gear then all are right.

Ans 3:

Class : Class 6
If P is moved in clockwise direction then R would move in anticlockwise direction with P, but if Q moves anticlockwise then R will move clockwise and P would move Anticlockwise, which is opposite of it. So Q is incorrectly marked.

Ans 4:

Class : Class 6
Q OR S ONE OF THEM IS INCORRECTLY MARKED

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
i think the answer is niece

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 6
d

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
The correct option is D as of you actually perform it , you will see that water rises by 21% this is as combustion required oxygen which is about 21%in volume . Since it was exhausted , and space occupied air was lowered by 21%. , The water rose . This it proves 1) air has space 2) air has oxygen

Ans 2:

Class : Class 6
The correct option is D as of you actually perform it , you will see that water rises by 21% this is as combustion required oxygen which is about 21%in volume . Since it was exhausted , and space occupied air was lowered by 21%. , The water rose . This it proves 1) air has space 2) air has oxygen

Ans 3:

Class : Class 6
The correct option is D as of you actually perform it , you will see that water rises by 21% this is as combustion required oxygen which is about 21%in volume . Since it was exhausted , and space occupied air was lowered by 21%. , The water rose . This it proves 1) air has space 2) air has oxygen

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 1
correct answer should be D

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