National Science Olympiad Forum By SOF Olympiad Trainer - Page 136

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 3
What is the logic ???

Ans 2:

Class : Class 3
why is the answer d

Ans 3:

Class : Class 3
Why is the ans d

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Subject :NSO    Class : Class 5

Arti cut out sheets of the same size from four different materials. She arranged them in a straight line as shown.

She then made a crescent-shaped hole in sheet W. She then shone torchlight on set-up and saw a bright crescent-shaped patch of light on sheet Y only. Select the option that correctly identifies the materials of which sheets W, X, Y and Z are made up of.

W X Y Z
A Metal Clear plastic Frosted glass Cardboard
B Cardboard Frosted glass Clear plastic Metal
C Cardboard Clear plastic Metal Frosted glass
D Frosted glass Metal Cardboard Clear plastic


i did c

Ans 1:

Class : Class 7
I DID (C) !!!!

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
whoops

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
It is d because it involved all pollutions

Ans 2:

Class : Class 9
How construction involves water pollution

Ans 3:

Class : Class 10
idk

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 7

Match column I with column II and select the correct option from the codes given below.



Column I Column II
(P) Ammonium hydroxide (i) Spinach
(Q) Tartaric acid (ii) Window cleaner
(R) Zinc carbonate (iii) Tamarind
(S) Oxalic acid (iv) Calamine


A (P) - (ii), (Q) - (iii), (R) - (iv), (S) - (i)
B (P) - (iv), (Q) - (i), (R) - (ii), (S) - (iii)
C (P) - (ii), (Q) - (iii), (R) - (i), (S) - (iv)
D (P) - (iii), (Q) - (ii), (R) - (iv), (S) - (i)


Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
A IS THE ANSWER

Ans 3:

Class : Class 6
A

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