National Science Olympiad Forum By SOF Olympiad Trainer - Page 279

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
No, it's not... it is just made quite tricky! the answer is C. It asks two question simultaneously: 1. vinegar plus baking soda evolves which gas? 2. What is formed when CO2 reacts with lime water? Hope u know their answers!! ;)

Ans 2:

Class : Class 6

Ans 3:

Class : Class 7
Should have given (i) plus water plus sodium acetate, just giving (i) makes it a lot more confusing and makes the second reaction a guessing game. Question should have been framed better.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
A

Ans 2:

Class : Class 5
A

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9

Ans 2:

Class : Class 8
I meant very

Ans 3:

Class : Class 8
Answer is A because after 100 degree, the water begins to evaporate.. So no more rise in temperature.

Ans 4:

Class : Class 7
lkjisan;h.d

Ans 5:

Class : Class 8
It was every obvious , Gauri . But thanks

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
Shouldn't it be cotton which keeps it cool and comfotable

Ans 2:

Class : Class 8
it should be cotton ... polyester is synthetic the basic character of polyester is hydrophobic .

Ans 3:

Class : Class 5
i guess cotton too

Ans 4:

Class : Class 9
polyster is the answer

Ans 5:

Class : Class 8
no

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Subject :NSO    Class : Class 6
W

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Subject :NSO    Class : Class 7

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