National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
D

Ans 2:

Class : Class 8
answer should be 'd'

Ans 3:

Class : Class 6

Ans 4:

Class : Class 6
dheeraj, it is alking about that the statement is correct.mud and water can be separated by many ways but it is asking nly about statemnt(whether the mentioned thing in "statement are crrect r not

Ans 5:

Class : Class 6
answer should be d

Ans 6:

Class : Class 6
Mud and water can be separated by loading, sedimentation, decantation, AND filtration.So, answer should be B

Ans 7:

Class : Class 6
answer is Only

Ans 8:

Class : Class 7
Larger solid particles are separated from smaller ones by sieving

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
translucent bcz the light is passing partially from the window

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
chromium is not cheapif it is cheap then the whole material can be made of chromium, why do they electroplate it if its cheapoption D is wrong and option B is correct

Ans 2:

Class : Class 9
It means that in place of electroplating the object with some other metal like silver ,it is cheaper to electroplate it with chromium

Ans 3:

Class : Class 9
chromium is expensive . so answer should be B

Ans 4:

Class : Class 9

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Subject :NSO    Class : Class 10

Ans 1:

Class : Class 5
The chicken was born first. Because the formation of egg shell relies upon a protein found only in the chicken's ovaries. Hope you found the answer to your question

Ans 2:

Class : Class 5
a

Ans 3:

Class : Class 4
bOTH

Ans 4:

Class : Class 5
C.Both

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
Ans.- (A) Gravity always accelerates any body's speed when it is coming towards the earth. g = 9.8 m/s^2

Ans 2:

Class : Class 8
Correct option is A

Ans 3:

Class : Class 8

Ans 4:

Class : Class 8
Correct option is A

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 4

Ans 2:

Class : Class 4

Ans 3: (Master Answer)

Class : Class 1

The correct answer is A


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Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Class : Class 1

The correct answer is B

The gas having lowest boiling point i.e., highly volatile will be distilled out first and the gas having highest boiling point i.e., least volatile will be distilled out at the last. So, the correct order of gases distilling out is neon, nitrogen, oxygen, krypton.


Ans 2:

Class : Class 9
Option b

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
not understanded

Ans 2:

Class : Class 4

Ans 3: (Master Answer)

Class : Class 1

The correct answer is B

Here forces X, Y and Z are Friction, Magnetic force and Gravitational force. It is friction which opposes or slows down moving objects


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Subject :NSO    Class : Class 2

Ans 1: (Master Answer)

Class : Class 1

Dung beetle is a helpful insect that helps in dispersing dung


Ans 2:

Class : Class 5
The Correct answer is A dungbeetles, as they help us in removing dung from the road

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