National Science Olympiad Forum By SOF Olympiad Trainer - Page 127

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Answer is D

Ans 2:

Class : Class 4
Answer is c

Ans 3:

Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 4
The goddamn question is wrong

Ans 2:

Class : Class 6
The options are incorrect

Ans 3:

Class : Class 6

Ans 4:

Class : Class 6
The options are wrong

Ans 5:

Class : Class 8
The question isn't wrong. The options are. And the correct option is also wrong

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
I am getting only 15 triangles

Ans 3:

Class : Class 7
same

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Subject :NSO    Class : Class 10

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
I did not understand it

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Subject :NSO    Class : Class 10

Rupali, a class 10 student has set up the apparatus as shown in the figures.
image
Which of the following observations is correct?

A Temperature of beakers I, II and III will be raised as dissolution of salts is an exothermic process.
B Temperature of beakers III and IV will be raised while temperature of beakers I and II will fall.
C Temperature will rise only in beaker IV as redox reactions are exothermic.
D None of these


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