National Science Olympiad Forum By SOF Olympiad Trainer - Page 674

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
WATER VAPOUR IS A GREENHOUSE GAS???????????????????????????????????????????????????????????????????????????????

Ans 2:

Class : Class 10

Ans 3:

Class : Class 4
Exactly , water vapour is a green house gas as it is made up of dust particles

Ans 4:

Class : Class 9
Please tell the answer

Ans 5:

Class : Class 5
Yes it is Soorya tej R

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 9
Answer is D. 'Liking a subject' and 'being good in a subject' is different.SOF and @Admin from Revisewise pls. explain

Ans 2:

Class : Class 9
It should be can't be determined because liking and being good are two different things ok get noobed

Ans 3:

Class : Class 4
correct answer is RIYA option b

Ans 4:

Class : Class 5
Question is ambiguous as liking and being good in a subject are both different aspects.

Ans 5:

Class : Class 6
Loke the subject and good in Subject are two diffrent things..So,option D should be correct

Ans 6:

Class : Class 6
answer is (B) simple!

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Subject :NSO    Class : Class 2

Ans 1: (Master Answer)

Class : Class 1
There are 9 flowers. The middle one is the 5th Flower (Blue). To the right of it are 4 flowers blue, green, red, blue. Hence there are 2 blue flowers to the right of middle flower

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Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1
Group P: Sponges, corals, worms, insects, spiders and crabs are all sub-groups of the invertebrate group - they do not have a backbone. Group Q: Fish, reptiles, birds, amphibians and mammals are different sub-groups of vertebrates - they all have internal skeletons and backbones. Hence d is the correct option.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9
a

Ans 2:

Class : Class 8
6

Ans 3:

Class : Class 6

Ans 4:

Class : Class 10

Ans 5:

Class : Class 7

Ans 6:

Class : Class 10
In figure II, when sugar is heated, it turns black due to the formation of a new substance and it cannot be reversed. Therefore, it is a chemical change.thats the reason

Ans 7:

Class : Class 9

Ans 8:

Class : Class 4

Ans 9:

Class : Class 6

Ans 10: (Master Answer)

Class : Class 1
In figure I, evaporation of water from sugar solution is a physical change because there is only change in state of matter from liquid (sugar solution) to solid state (crystals of sugar). In figure II, when sugar is heated, it turns black due to the formation of a new substance and it cannot be reversed. Therefore, it is a chemical change.

Ans 11:

Class : Class 7
VOILA

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
How can Sukhdev be from Punjab also and Gujarat also?????????????

Ans 2:

Class : Class 4
C

Ans 3:

Class : Class 1
It is C

Ans 4:

Class : Class 4
Answer is C because it says which is incorrect

Ans 5:

Class : Class 5
The answer is D

Ans 6:

Class : Class 8
I read correct be sorry

Ans 7:

Class : Class 6
I think the answer is (c) 3&4 Because they both are incorrect

Ans 8:

Class : Class 6
d

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
Answer is C because it tells a laptop changes electrical energy to light and sound energy and this tells energy changes from one form to another.

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
hinge joint

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
it is test tube three as it depends on the reactivity series.only in test tube 3 zinc displaces copper and in the rest the metals cant displace the alternate metal as the metal in the salt solution is more reactive than the other metal

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