National Science Olympiad Forum By SOF Olympiad Trainer - Page 137

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 10
I probably thought that the answer would be stronger at p and r and weaker at q , because i used the sae concept as when it comes to permanent or natural magnet , but in elctromagnet , which i later found , it is totally opposite. The Poles are weakest and and at the center it is strongest

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 6

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Class : Class 8
what is the wrong in set II.

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 8

Study the given experimental set up and select the correct option regarding it.


ABoth glucose and starch are able to diffuse through the Visking tubings into the boiling tubes.
BExosmosis of water from Visking tubing Q will take place only after conversion of starch into glucose by digestive enzyme.
CInitially only the contents of Visking tubing Q will give positive iodine test but after 30 minutes the contents of both Visking tubings will give positive iodine test.
DNone of these


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