National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
It is option Q because when we heat it up , the solubility increases .

Ans 2:

Class : Class 5

Ans 3:

Class : Class 5
tell in experiment form

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
Option C is correct

Ans 2:

Class : Class 3

Ans 3:

Class : Class 3
PLEASE EXPLAIN HOW

Ans 4:

Class : Class 4
ANS IS C

Ans 5:

Class : Class 4
please explain how

Ans 6:

Class : Class 4

Ans 7:

Class : Class 3
Both North and South have the sunlight from morning to afternoon so maximum time of sunlight. East has only morning and west has only afternoon so they have lesser time

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 3:

Class : Class 8
The correct answer is B. In 4sec the objet increases its speed to 200m/s . Acceleration=(200-0)÷4 = 50m/s^2. S=ut 1/2×at^2. Solve it you'll get 400m. a=acceleration(50), t=time(4), u=initial velocity(0) and s is displacement(consider it distance travelled)

Ans 4:

Class : Class 8
How is it 200m? I am getting 800m.

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
sea weed and bird only are in line with the laser. we can see only these.

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
Coal is a fuel with high carbon content derived from destructive distillation of coal.

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
The correct option is D. Because if you see the reactivity table copper is placed below hydrogen.So it is not more reactive than hydrogen and cannot replace it from its compound.

Ans 2:

Class : Class 8
correct answer is D because in the reactivity series,copper lies below hydrogen which means that hydrogen cannot be displaced by copper from its salt solution.

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Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

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