National Science Olympiad Forum By SOF Olympiad Trainer - Page 359

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
Actually, black or darker clothes absorb more heat as compared to whiter clothes, so they should be preferably be worn in winter as compared to bright or white clothes.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
c

Ans 2:

Class : Class 7

Ans 3:

Class : Class 6
The correct answer is D

Ans 4:

Class : Class 3
option c is the correct option because granite and marble are hard to make the floor and cannot break easily but chalk can break easily.

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Subject :NSO    Class : Class 3
S

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 10
C

Ans 2:

Class : Class 9
it can be d also

Ans 3:

Class : Class 9
c

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Subject :NSO    Class : Class 9

Ms Mehta, a science teacher gave different mixtures to four groups of students to separate their components. Which group was not following the correct method?

A Group 1 was separating a mixture of ethyl alcohol and water by using separating funnel.
B Group 2 was separating a mixture of ammonium chloride and sodium chloride using sublimation.
C Group 3 was separating a mixture of iron pins and sand by using a magnet.
D Group 4 was separating mud particles suspended in water using sedimentation and decantation.


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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 6
D

Ans 2:

Class : Class 5
D

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
B

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