National Science Olympiad Forum By SOF Olympiad Trainer - Page 646

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
Option b

Ans 2:

Class : Class 7
but how the answer is option(b).Please explain

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
Anyone knows how s the solution determined?

Ans 2:

Class : Class 3

Ans 3:

Class : Class 8
please provide justification

Ans 4:

Class : Class 3
I am Sanyam Gupta This Question was very Interesting THANK YOU $$

Ans 5:

Class : Class 5
stop sof you are always wrongno one is corecct everyone may use you but you are wrong wong wrong

Ans 6:

Class : Class 9
The answer is C because the rule is followed -[ 7 - 6 ] [ 9 - 6 ] = 1 3 = 4[ 8 - 5 ] [ 9 - 2 ] = 3 7 = 10 [ 6 - 3 ] [ 5 - 4 ] = 3 1 = 4

Ans 7:

Class : Class 8
tough

Ans 8:

Class : Class 5
tough question

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 9
d

Ans 2:

Class : Class 4
NOOOOOOOOOOO!!!!!!!!!!!!!!!!!!!!!!!! i DONT BElive

Ans 3:

Class : Class 5
class:3the answer is D

Ans 4:

Class : Class 3
corrwct yeeeee!!

Ans 5:

Class : Class 7

Ans 6:

Class : Class 8
Pankaj, why are you telling no . It should option 'd'.

Ans 7:

Class : Class 3

Ans 8:

Class : Class 5

Ans 9:

Class : Class 1
it is right Soumyajit

Ans 10:

Class : Class 3
The option is D correct

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
I think that option A and C should be correct. Since option A talks about fermentation occuring which could be true considering that yeast is put into warm sugar solution. Option C is also correct since we know that one of the end products of fermentation is CO2 and lime water turns milky white when it is combined with carbon-dioxide.

Ans 2:

Class : Class 9
Option a is wrong because yeast does not convert sugar into lactic acid.

Ans 3:

Class : Class 8
Then option A should also be correct as it talks about fermentation

Ans 4:

Class : Class 8
Option C is the correct answer because yeast causes fermentation .Fermentation is an anaerobic process. In this process yeast converts sugar into alcohol and carbon dioxide. Lime water turns milky indicating the presence of carbon dioxide.

Ans 5:

Class : Class 8

Ans 6:

Class : Class 8
answer cant be A since during fermentation of sugar alcohol is produced and not lactic acid

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
A

Ans 2:

Class : Class 9
A vector diagram is a diagram which shows both direction and magnitude....hope you found it helpful!

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 7
My answer was D but it changed itself as C

Ans 2:

Class : Class 2

Ans 3:

Class : Class 5
a

Ans 4:

Class : Class 3
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Ans 5:

Class : Class 3

Ans 6:

Class : Class 3
The answer should be (A) but, why have they said that (D) should be the answer .

Ans 7:

Class : Class 7
Ans-d because if it is not scarce the house will flow away.

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
Yes A is correct

Ans 2:

Class : Class 10
as static friction is always more than sliding friction and horse experiences static friction during its first steps.therefore option [A] is correct.

Ans 3:

Class : Class 8
It has to be A

Ans 4:

Class : Class 10

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 10
why dont you tell it yourself

Ans 2:

Class : Class 10
why dont you tell it yourself

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