National Science Olympiad Forum By SOF Olympiad Trainer - Page 527
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Samudyatha K B from NPS banashankari, Bangalore
Subject :NSO    Class : Class 8

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Samaira from Global Indian International School, Bangalore
Subject :NSO    Class : Class 7

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Darshini Chakravarty from Pinnacle High International School, Mumbai
Subject :NSO    Class : Class 3

Ans 1:

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

Ans 2:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
the correct answer is a

Ans 3:

Nirvi Pal from jasudben ML School, mumbai
Class : Class 5
RRRRRRRRRRRRRRRRRRRRRRRRR

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Bhabani Prasad from Narayan School, Kolkata
Subject :NSO    Class : Class 6

Ans 1:

devansh gaurangi from Stella Maris School , Lucknow
Class : Class 8
It can be Q because if P is moved clockwise then R would move anticlockwise making Q move clockwise, but if Q moves anticlockwise then it will make R move clockwise making P move anticlockwise, which is it's opposite. So Q is incorrectly marked.

Ans 2:

prince daniel jonah J from st Joseph central school, Mysore
Class : Class 10
Q OR S ONE OF THEM IS INCORRECTLY MARKED

Ans 3:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
If p is the driving gear then all are right.

Ans 4:

devansh gaurangi from Stella Maris School , Lucknow
Class : Class 8
If P is moved in clockwise direction then R would move in anticlockwise direction with P, but if Q moves anticlockwise then R will move clockwise and P would move Anticlockwise, which is opposite of it. So Q is incorrectly marked.

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Aaditya Vichare from St. John's Universal School, Mumbai
Subject :NSO    Class : Class 6

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Manvi Mundepi from Montfort School Roorkee, Roorkee
Subject :NSO    Class : Class 6

Ans 1:

Kushal from Chirec, Hyderabad
Class : Class 7
i think the answer is niece

Ans 2:

Navya from Jankidevi public school , Jaipur
Class : Class 6
How

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Sanskriti Ranjan from SETH ANANDRAM JAIPURIA SCHOOL, Ghaziabad
Subject :NSO    Class : Class 7

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Champ from Reliance Foundation School, Mumbai
Subject :NSO    Class : Class 7

Ans 1:

Prachi Todalge from New India School, Pune
Class : Class 7

Ans 2:

Nandu from The Asian School, Bahrain
Class : Class 3
bruh ans is b

Ans 3:

Mridul Jain from Shishukunj International School Indore, Indore
Class : Class 9

Ans 4:

Prisha Gupta from Lokhandwala Foundation School, Mumbai
Class : Class 7
the correct answer is b

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swagat sibsshish from davpublic school cuttack, Cuttack
Subject :NSO    Class : Class 7

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Soumil sahu from DPS Chandigarh , Chandigarh
Subject :NSO    Class : Class 6

Ans 1:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 9
Thank you jyoti but don't post this message so many times

Ans 2:

Pragyan Srivastava from Manipal Public School, Lucknow
Class : Class 10
The correct option is D as of you actually perform it , you will see that water rises by 21% this is as combustion required oxygen which is about 21%in volume . Since it was exhausted , and space occupied air was lowered by 21%. , The water rose . This it proves 1) air has space 2) air has oxygen

Ans 3:

Pragyan Srivastava from Manipal Public School, Lucknow
Class : Class 10
The correct option is D as of you actually perform it , you will see that water rises by 21% this is as combustion required oxygen which is about 21%in volume . Since it was exhausted , and space occupied air was lowered by 21%. , The water rose . This it proves 1) air has space 2) air has oxygen

Ans 4:

Pragyan Srivastava from Manipal Public School, Lucknow
Class : Class 10
The correct option is D as of you actually perform it , you will see that water rises by 21% this is as combustion required oxygen which is about 21%in volume . Since it was exhausted , and space occupied air was lowered by 21%. , The water rose . This it proves 1) air has space 2) air has oxygen

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