National Science Olympiad Forum By SOF Olympiad Trainer - Page 603

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7

Ans 4:

Class : Class 6
c

Ans 5:

Class : Class 7
I am bengali , hindi , english and malayalam . This looks pity to me !!!!!!!!!!!!!!!!!!!

Ans 6:

Class : Class 5

Ans 7:

Class : Class 7

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 10
DIt reflects the red colour and absorbs rest of the colours.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
I think you are right it should be D.

Ans 2:

Class : Class 9
You are wrong.The correct answer should be D.

Ans 3:

Class : Class 8

Ans 4:

Class : Class 9
d is the answer

Ans 5:

Class : Class 6
You are right. It should be D.

Ans 6:

Class : Class 9
the correct is D.

Ans 7:

Class : Class 3
Correct answer is D

Ans 8:

Class : Class 8
d

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 9
The correct answer is A because Bituminous is not a ore, typhoid is a water-borne disease and rest are vector-borne disease and nutcracker is an example of 2nd class lever whereas all the other are 1st class lever.

Ans 2:

Class : Class 6
Ans is A because bituminous is not an ore, typhoid is not a vector-borne disease and nutcracker is not a class 1 lever.

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5
I agree Areen

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9
the answer is b . this is because sun tan is temporary.

Ans 2:

Class : Class 9
answer is b

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
(D)

Ans 2:

Class : Class 8
wool burns with smell of burning hair

Ans 3:

Class : Class 8
Correct answer is A

Ans 4:

Class : Class 8
How is this possible Nylon burns with smell of hair???

Ans 5:

Class : Class 9
Supposed to be D

Ans 6:

Class : Class 9
nylon burns with a smell of plastic, not burning hair. WTF?

Ans 7:

Class : Class 9
wrong answerthe answer should be B

Ans 8:

Class : Class 9
IT must be D! Nylon does not burn with the smell of burning hair as it is purely synthetic and has no relation to the protein based hair.

Ans 9:

Class : Class 8
Nylon should neither have a smell of burning hair nor the smell of burning paper. Nylon has a celery or plastic-like cell. Hence the correct answer is D. But on the other hand when acrylic burns, it shrinks and converts into black beads. On this contrast, the correct answer will be B with respect to acrylic and D with respect to Nylon. There is definitely an error in the options of the answers!

Ans 10:

Class : Class 10

Ans 11:

Class : Class 8
IT SHOU BE D!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 12:

Class : Class 8
It should be D. Because nylon would never once burn with smell of paper in it's entire career. SOF, you gotta chnage the answer man.

Ans 13:

Class : Class 9
How can Nylon burn with the smell of burning hair??

Ans 14:

Class : Class 8
Nylon does not have the smell of burning hair. So the answer should be d.

Ans 15:

Class : Class 9
yes the answer is D. nylon burns with a smell of celery because its a synthetic fibre.

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
But they are telling that the right answer is option d

Ans 2:

Class : Class 4
Air always act as Frictional force against Gravity Hence ans is B in this case

Ans 3:

Class : Class 8
Yea, pls explain this question to us SOF admin

Ans 4:

Class : Class 8

Ans 5:

Class : Class 9
there is air friction against gravity. so answer is B

Ans 6:

Class : Class 9

Ans 7:

Class : Class 9

Ans 8:

Class : Class 4
qwertyuiopasdfghjkkklzxcvbnm

Ans 9:

Class : Class 4

Ans 10:

Class : Class 9

Ans 11:

Class : Class 9

Ans 12:

Class : Class 8
There is no explanation for the answer. How do we understand sof?

Ans 13:

Class : Class 4
THERE IS NO SOLUTION SOB HOW CAN WE UNDERSTAND

Ans 14:

Class : Class 4

Ans 15:

Class : Class 4
@ishi gupta i know this is irrevelent but its not sob its sof

Ans 16:

Class : Class 4

Ans 17:

Class : Class 8
I think c

Ans 18:

Class : Class 4

Ans 19:

Class : Class 4
qwertyuiopasdfghjklzxcvbnm,.-/:;(â1

Ans 20:

Class : Class 8
There is no explanation for the answer. How do we understand Sof?

Ans 21:

Class : Class 4
There is no explanation for the answer. How do we understand sof?

Ans 22:

Class : Class 10
Kqwertyuiopasdfghjklzxcvbnm,.-/:;(₹

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
A

Ans 2:

Class : Class 5

Ans 3:

Class : Class 7
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Ans 4:

Class : Class 7
I

Ans 5:

Class : Class 6
A

Ans 6:

Class : Class 5
AAAAAAAAAAAAAAAAA!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 7:

Class : Class 6
A

Ans 8:

Class : Class 5
Answer is A

Ans 9:

Class : Class 7

Ans 10:

Class : Class 6

Ans 11:

Class : Class 9
the answer is A

Ans 12:

Class : Class 5
Yes

Ans 13:

Class : Class 5
A

Ans 14:

Class : Class 5
The answer could be both A or B because wheel barrows and screwdrivers are levers and wheel and axles

Ans 15:

Class : Class 6
Admin please tell me ,how is escalator a pulley?

Ans 16:

Class : Class 4
l

Ans 17:

Class : Class 9
why not B all the options are levers

Ans 18:

Class : Class 5
Answer is A

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