National Science Olympiad Forum By SOF Olympiad Trainer - Page 609
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AHANA BAG from DELHI PUBLIC SCHOOL JOKA SOUTH KOLKATA, KOLKATA
Subject :NSO    Class : Class 3

Ans 1:

snejuti biswas from St Joseph convent school, Rourkela
Class : Class 3
C

Ans 2:

AYUSH TARWAY from DELHI PUBLIC SCHOOL, RANCHI
Class : Class 4

Ans 3:

Krishna Kumari Nayak from Sai International school , Bhubaneswar
Class : Class 4
c

Ans 4:

Avighna Shastri from doha modern indian school, doha
Class : Class 2

Ans 5:

Shruti from ,
Class : Class 1
who is Ragni and it cannot be d as i am a bummer andfabric is made from fibre

Ans 6:

Avighna Shastri from doha modern indian school, doha
Class : Class 2
why can it not be D!!!!

Ans 7:

snejuti biswas from St Joseph convent school, Rourkela
Class : Class 3
C

Ans 8:

Avik Arya from Trileaves Global school , Chennai
Class : Class 3
Who is Ragni and why it cannot be D?!

Ans 9:

Sunayana singh from Apeejay, Navi Mumbai
Class : Class 6
I hate Ragni

Ans 10:

Sunayana singh from Apeejay, Navi Mumbai
Class : Class 6
The answer is C

Ans 11:

Prayaan handel from Billabong high international school, Bhopal
Class : Class 4
c

Ans 12:

Vartika kumar from D P S Newtown, Kolkata
Class : Class 9

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PONMANIKANDAN PONRAJ from FAIPS, KUWAIT
Subject :NSO    Class : Class 1

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

Ans 1:

Maanvik Srivastava from Cornerstone, Hyderabad
Class : Class 5
THE CORRECT ANSWER IS B , SINCE SALT DISSOLVES IN WATER THE FASTEST WHEN WATER IS MORE AND THE TEMPERATURE IS HOT .

Ans 2:

Sumit Biswal from Dps gandhinagar, Gandhinagar
Class : Class 7

Ans 3:

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

Ans 4:

Mannat Verma from Vivek High School , Chandigarh
Class : Class 6

Ans 5:

Sumit Biswal from Dps gandhinagar, Gandhinagar
Class : Class 7

Ans 6:

Devavrat Sharma from Podar International School, Mumbai
Class : Class 9
Ans is B

Ans 7:

AARNA GOEL from UPTON SCHOOL, ENGLAND
Class : Class 6
Acttuly the answer is A sorry guys

Ans 8:

AARNA GOEL from UPTON SCHOOL, ENGLAND
Class : Class 6
Ans.1 you not the teacher you are in wrong from the ans is b

Ans 9:

Kenisha Tamboli from Mansukhbhai Kothari National School, Pune
Class : Class 6

Ans 10:

Biju Pappachan from Rkc , Raipur
Class : Class 1
Ans=B

Ans 11:

marika from VTS, Mumbai
Class : Class 4

Ans 12:

Gunjan Rudraruhi Chauthiya from New Beersheba Public School, Pithoragarh
Class : Class 9
Water dissolves faster when the conditions are warm.In this case all of them are in normal room temperature.The glass Q is being heated. So the more heat the more the rate of salt dissolvation will be high.Hence B will taste the saltiest because more salt has dissolved in it.Ans:B

Ans 13:

Harish Kumar from SPDS , PANRUTI
Class : Class 7
ans B

Ans 14:

NIVED PRAKASH NAIR from SARVODAYA, THIRUVANANTHAPURAM
Class : Class 8

Ans 15:

Saipriya from Sankara, Chennai
Class : Class 9
how u fools it will settle down when heating then when u do distillation it will come . u all are wrong ans is D

Ans 16:

Devavrat Sharma from Podar International School, Mumbai
Class : Class 9

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Sarthak yadav from RPS, Mahendragarh
Subject :NSO    Class : Class 5

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Sourav Jena from ODM public school , BHUBANESWAR
Subject :NSO    Class : Class 5

Ans 1:

Sreyan from NPS Koramangala, BANGALORE
Class : Class 6
A also

Ans 2:

Sreyan from NPS Koramangala, BANGALORE
Class : Class 6
what????????????????????

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Sourav Jena from ODM public school , BHUBANESWAR
Subject :NSO    Class : Class 5

Ans 1:

Parijaat waghmare from Centre point school international, Nagpur
Class : Class 5

Ans 2:

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

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Naman Garg from Deens Academy,Gunjur, Bangalore
Subject :NSO    Class : Class 3

Ans 1:

akshitha from Euroschool, Bengaluru
Class : Class 3
b is the answer?

Ans 2:

AKSHAJ SRIVASTAVA from MOUNT LITERA ZEE SCHOOL, Kanpur
Class : Class 9

Ans 3:

Snigdha Agarwal from The Khaitan School, Noida
Class : Class 7
A should be the answer

Ans 4:

Hamsini from yagappa international school, Thanjavur
Class : Class 6
c should be the ans

Ans 5:

Advik Thomas from kunskapsskollan, bangalore
Class : Class 3
D is the answer.

Ans 6:

Aneesh Balaji from BVBARR school, Hyderabad
Class : Class 9
b is the ans

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SAI KRISHNA from SHISHYA BEML PUBLIC SCHOOL, BANGALORE
Subject :NSO    Class : Class 3

Ans 1:

Aathrei MS Damodaran from Chrysalis High, Bengaluru
Class : Class 7
D IS CORRECT

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Dibyanshu Lahiri from Mont Fort Sr Sec School, Roorkee
Subject :NSO    Class : Class 8

Ans 1:

arnav raj sharma from gulibulium school, new york
Class : Class 8
how can exotic species THREATEN the endemic ones. they can just be more famous or better but they cant THREATEN

Ans 2:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 8
Botanical garden is insitu right??

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

Ans 1:

Lakshana from SBOA School and Junior College, Chennai
Class : Class 6
Then how is Mars(Planet) rusted?

Ans 2:

Kaustubh Jha from Mount litera zee school, Patna
Class : Class 5
As only nails in bottle X got rusted,this means both water and airare required for rusting (as bottle X is fulfilling both the conditions) bottle W has only air, bottle Y has only water and bottle Z has oil.i.e., neither air nor water

Ans 3:

Prajjwal Dey from MLZS Wakad, PUNE
Class : Class 6

Ans 4:

Arun from SOT, chennai
Class : Class 6

Ans 5:

Pratham Dave from GNS, Bangalore
Class : Class 7
C is the answer to this question

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