National Science Olympiad Forum By SOF Olympiad Trainer - Page 482
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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 3

Ans 1:

Haris from Deens academy , Banglore
Class : Class 5
b

Ans 2:

Yatindra G from SBOA, Chennai
Class : Class 4
B!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 3:

Haris from Deens academy , Banglore
Class : Class 5
all the questions answer is b

Ans 4:

SRIRAM SRINIVASAN PAKU from KENDRIYA VIDHALAYA ASHOK NAGAR, CHENNAI
Class : Class 6

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

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 2:

Shreetej from Pearson public school, Pune
Class : Class 5
D is the answer

Ans 3:

Sanskriti Nagar from Rose Bud Academy, khagaria
Class : Class 5
D

Ans 4:

Shreetej from Pearson public school, Pune
Class : Class 5
d is correct answer

Ans 5:

Shubhank Mittal from Lotus Valley International School, Noida
Class : Class 5

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

Ans 1:

Mehar from NCS, Vasco
Class : Class 5
please explain

Ans 2:

niuv from meridian, Hyderabad
Class : Class 6

Ans 3:

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

Ans 4:

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

Ans 5:

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

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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
both answers b and c are not advisable

Ans 2:

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

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
The pattern followed is 6 7=137 9=16So,8 4=12

Ans 2:

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 3:

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

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

Ans 1:

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

Ans 2:

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

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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:

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

Ans 2:

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 3:

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

Ans 4:

Overtaker from Blore, Blore
Class : Class 4
A

Ans 5:

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

Ans 6:

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 7:

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

Ans 8:

Overtaker from Blore, Blore
Class : Class 4
A

Ans 9:

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

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