National Science Olympiad Forum By SOF Olympiad Trainer - Page 723
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kenisha from Venkat international public school, Bengaluru
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

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kenisha from Venkat international public school, Bengaluru
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

Post Your Answer

Arnav Verma from Deens Academy, Bengaluru
Subject :NSO    Class : Class 5

Ans 1:

abhinav from d a v public school, Angul
Class : Class 5
tell in experiment form

Ans 2:

abhinav from d a v public school, Angul
Class : Class 5

Ans 3:

Sharad Jain from Presidium, Ghaziabad
Class : Class 5
It is option Q because when we heat it up , the solubility increases .

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VANI SHARMA from D.P.S. NOIDA, Noida
Subject :NSO    Class : Class 3

Ans 1:

Sourish Mahakul from Delhi Public School Electronic City, Bengaluru
Class : Class 8
Option C is correct

Ans 2:

Shreya Shruti from Airforce school , Bengaluru
Class : Class 7

Ans 3:

Ishan Priyadarsi from Euro School, bangalore
Class : Class 6

Ans 4:

Raunak Jeswani from Centre point Katol road , Nagpur
Class : Class 3
PLEASE EXPLAIN HOW

Ans 5:

Aayan Choudhry from Yuvabharthi international school, Singapore
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

Ans 6:

VANSH GARG from DPSG, GHAZIABAD
Class : Class 4
please explain how

Ans 7:

Dhruv Sachdev from Bhavan Vidyalaya, chandigarh
Class : Class 8
ANS IS C

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ankitadasgupta from dps, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

Arnav Ranka from Gyan Bharati School, Saket, New Delhi
Class : Class 9
How is it 200m? I am getting 800m.

Ans 2:

Keratin from Chrysalis High, Bangalore
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 3:

Kavyam Agrawal from Delhi Public School Nerul, Navi Mumbai
Class : Class 7

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

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KADALI VAMSIKRISHNA from BVM GLOBAL AT BOLLINENI HILLSIDE, Chennai
Subject :NSO    Class : Class 5

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Pratyush Chandra from Bal Bhavan Public School, New Delhi
Subject :NSO    Class : Class 8

Ans 1:

Anjisnu Raha from SBOA School and Junior College, Chennai
Class : Class 9
sea weed and bird only are in line with the laser. we can see only these.

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Preetha Joshi from ,
Subject :NSO    Class : Class 8

Ans 1:

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

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Preetha Joshi from ,
Subject :NSO    Class : Class 8

Ans 1:

prabhkhelSingh from Hra international school, Gurdaspur
Class : Class 6
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.

Ans 2:

Dr Anupa Ghosh from ,
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.

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Pramath Ram from Canara CBSE, Mangalore
Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is A.

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