National Science Olympiad Forum By SOF Olympiad Trainer
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Shreyashi Chandra from DPS Noida, Greater Noida West
Subject :NSO    Class : Class 5

Ans 1:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is C

Ans 2:

Navyaa Kalra from DPS Noida, NOIDA
Class : Class 5
ans is c.

Post Your Answer

kpks14 from RIMT World School, Chandigarh
Subject :NSO    Class : Class 6

Ans 1:

Manvi Mundepi from Montfort School Roorkee, Roorkee
Class : Class 8
answer should be 'd'

Ans 2:

ATUL SANJEEV from Indian school Ghubra, Muscat
Class : Class 6
Larger solid particles are separated from smaller ones by sieving

Ans 3:

Vedang Amonkar from Dr K B Hedgewar High School, Panaji
Class : Class 6
D

Ans 4:

pranavramesh from sri chaitanya techno school, Chennai
Class : Class 6
answer should be d

Ans 5:

Dheeraj Thriyambak M from Sri Sankara Senior Secondary School Adyar, Chennai
Class : Class 6
Mud and water can be separated by loading, sedimentation, decantation, AND filtration.So, answer should be B

Ans 6:

Aaditya Verma from Presidium, Noida
Class : Class 6

Ans 7:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 6
answer is Only

Post Your Answer

USHASHI CHAKRABARTI from INDUS VALLEY WORLD SCHOOL, CALCUTTA
Subject :NSO    Class : Class 6

Ans 1:

Viraj Upadhyay from The Khaitan School, Noida
Class : Class 6
translucent bcz the light is passing partially from the window

Post Your Answer

Chinmay Barje from DSRV, Mumbai
Subject :NSO    Class : Class 7

Post Your Answer

Dhars from DPS EAST Bangalore , Bengaluru
Subject :NSO    Class : Class 8

Ans 1:

S V Harini from Vailankanni public school , Krishnagiri
Class : Class 8
chromium is not cheapif it is cheap then the whole material can be made of chromium, why do they electroplate it if its cheapoption D is wrong and option B is correct

Ans 2:

Ananya Gupta from DPS EAST, BANGALORE , Bengaluru
Class : Class 5
chromium is expensive . so answer should be B

Ans 3:

Anshuman D from MVM, Hyderabad
Class : Class 8
It means that in place of electroplating the object with some other metal like silver ,it is cheaper to electroplate it with chromium

Ans 4:

Ananya Gupta from DPS EAST, BANGALORE , Bengaluru
Class : Class 5

Post Your Answer

Cristiano Ronaldo 07 from Delhi Public School Panvel, Panvel
Subject :NSO    Class : Class 10

Ans 1:

Aadya Jha from dps, noida
Class : Class 5
a

Ans 2:

Soorya Tej R from Delhi Public School, Hyderabad
Class : Class 4
bOTH

Ans 3:

Anvesha Dubey from Lodha World School , Dombivali
Class : Class 5
The chicken was born first. Because the formation of egg shell relies upon a protein found only in the chicken's ovaries. Hope you found the answer to your question

Ans 4:

Cristiano Ronaldo 07 from Delhi Public School Panvel, Panvel
Class : Class 5
C.Both

Post Your Answer

Sehaj singh Sidhu from TMSB, Bathinda
Subject :NSO    Class : Class 8

Ans 1:

AAshutosh Jindal from HOLY angels school, RAJPURA
Class : Class 8
Correct option is A

Ans 2:

TARUN from DAV, DHANBAD
Class : Class 8
Ans.- (A) Gravity always accelerates any body's speed when it is coming towards the earth. g = 9.8 m/s^2

Ans 3:

AAshutosh Jindal from HOLY angels school, RAJPURA
Class : Class 8
Correct option is A

Ans 4:

AAshutosh Jindal from HOLY angels school, RAJPURA
Class : Class 8

Post Your Answer

Arjun from chirec heydrabad, heydrabad
Subject :NSO    Class : Class 2

Ans 1:

Arjun from chirec heydrabad, heydrabad
Class : Class 8

Ans 2:

Arjun from chirec heydrabad, heydrabad
Class : Class 8

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is A


Post Your Answer

Parijat Majumdar from Salt Lake School, Kolkata
Subject :NSO    Class : Class 9

Ans 1:

Yash from Bharat vidalaya , Buldhana
Class : Class 9
Option b

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is B

The gas having lowest boiling point i.e., highly volatile will be distilled out first and the gas having highest boiling point i.e., least volatile will be distilled out at the last. So, the correct order of gases distilling out is neon, nitrogen, oxygen, krypton.


Post Your Answer

Ananya from GIIS International school, Pune
Subject :NSO    Class : Class 3

Ans 1:

Jibran Noorshah from Mount Litera Zee School, Bengaluru
Class : Class 4

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is B

Here forces X, Y and Z are Friction, Magnetic force and Gravitational force. It is friction which opposes or slows down moving objects


Ans 3:

priyank from Narayan School, Kolkata
Class : Class 4
not understanded

Post Your Answer