National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 10

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
22

Ans 2:

Class : Class 4
D

Ans 3:

Class : Class 4
22

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Yes they do.

Ans 2: (Master Answer)

Class : Class 1
Yes!!

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
(a)p

Ans 2:

Class : Class 7
R

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B. The pattern is in increasing powers of 5.

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Subject :NSO    Class : Class 8

Few statements are given below. Identify the incorrect statements and mark the appropriate option.
(i) In fractional distillation of petroleum, hydrocarbon with lowest boiling point condenses first.
(ii) Useful substances obtained from petroleum and natural gas are termed as ‘Petrochemicals’.
(iii) Coke is used in the extraction of many metals.
(iv) Paraffin wax used in candles, vaseline, grease, polish is obtained by destructive distillation of coal.

A (i) and (ii)
B (i) and (iv)
C (i), (ii) and (iii)
D (ii) and (iv)


It should be d

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
Opt. B is incorrect as the stigmas in wind pollinated flowers is dull colored.

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