National Science Olympiad Forum By SOF Olympiad Trainer - Page 482
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Arnav kaul from Chirec, Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

niuv from meridian, Hyderabad
Class : Class 6

Ans 2:

Anya the NSO prodigy from Gopalan International School, Bengaluru
Class : Class 3
very tough though the ans is c

Ans 3:

Soham from DPS Whitefield, Bangalore
Class : Class 4
wrong answer

Ans 4:

CHIRAG KHORIA from EVERGREEN PUBLIC SCHOOL, MAYNAGURI
Class : Class 5
tough one,i think the explanation is:S is lens and that part is not colored and t is either eye lids or cornea and neither of them is folded skin.acoording to me

Ans 5:

Mehar from NCS, Vasco
Class : Class 5
please explain

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Arnav kaul from Chirec, Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

Adyasha Senapati from Gopalan International School, Bangalore
Class : Class 6
What's the Correct answer?

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Arnav kaul from Chirec, Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6

Ans 2:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6
both answers b and c are not advisable

Ans 3:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6

Ans 4:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6

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Arnav kaul from Chirec, Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

Devina kashyap from TPS, Mumbai
Class : Class 4

Ans 2:

Devina kashyap from TPS, Mumbai
Class : Class 4

Ans 3:

PARUL GHARSE from Vibgyor, Mumbai
Class : Class 6

Ans 4:

Vallabh Agrawalla from Sai International School, Bhubaneswar
Class : Class 8
After unscrambling the four jumbled words. We get, Sedimentation, Chlorination, Distillation and Filtration. Filtration and Sedimentation are methods of removing insoluble impurities. Distillation is the only option that is used to remove soluble impurities.

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shreyash rawat from podar international school, pune
Subject :NSO    Class : Class 4

Ans 1:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
i.e. 6 plus 7 = 13 and 9 plus 7 = 16 . SO, 8 plus 4 is 12.

Ans 2:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 10
option B

Ans 3:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
The pattern followed is 6 7=137 9=16So,8 4=12

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Diti Sharma from Amity International School, Noida
Subject :NSO    Class : Class 8

Ans 1:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
Please explain

Ans 2:

Pratyay Anand from Ryan International School, NAVI MUMBAI
Class : Class 9
i dont understand how ?

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Drashti from Global Indian International School, Noida
Subject :NSO    Class : Class 7

Ans 1:

Ayansh Verma from National Public School ITPL, Bangalore
Class : Class 8

Ans 2:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option b

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ANURADHA NAIR from SANDEEPANI VIDYA NIKETHAN SCHOOL, Thrissur
Subject :NSO    Class : Class 4

Ans 1:

Overtaker from Blore, Blore
Class : Class 4
A

Ans 2:

ANURADHA NAIR from SANDEEPANI VIDYA NIKETHAN SCHOOL, Thrissur
Class : Class 9
A IS THE ANSWER

Ans 3:

NAMISH AGRAWAL from KV calicut, calicut
Class : Class 4
why it is A when a ice melts it gets hot but the water stays cool

Ans 4:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 10
option A

Ans 5:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
answer is a because when the ice melts it becomes warmer and changes into liqiud

Ans 6:

sauradeep from j v m Shyamali , ranchi
Class : Class 10
C

Ans 7:

Payal Porwal from St John gola, Gola
Class : Class 6
C

Ans 8:

Payal Porwal from St John gola, Gola
Class : Class 6
C

Ans 9:

Overtaker from Blore, Blore
Class : Class 4
A

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 3

Ans 1:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The correct answer is A

Ans 2:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 9
The correct answer is A only.

Ans 3:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
A

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MAHESH PRASAD MC from Silveroaks, Hyderabad
Subject :NSO    Class : Class 8

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