National Science Olympiad Forum By SOF Olympiad Trainer - Page 223
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Agnish Chakraborty from The Heritage School, Kolkata
Subject :NSO    Class : Class 2

Ans 1:

Diksha Pattnaik from Vibgyor High, Bangalore
Class : Class 6
a

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Priyanshu Das from Abu Dhabi Indian School, Abu Dhabi
Subject :NSO    Class : Class 1

Ans 1:

anu from Haralur, Bengaluru
Class : Class 4
c

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Biju Pappachan from Rkc , Raipur
Subject :NSO    Class : Class 5

Ans 1:

Priyanka from Kendriya vidyalaya, Chennai
Class : Class 5
C

Ans 2:

Satwik Dixit from Vibgyor, Bangalore
Class : Class 5
The answer for this question can be both (a) and (b).

Ans 3:

Ishani Gandhi from Lourdes convent school, Surat
Class : Class 6
Answer is A

Ans 4:

Priyanka from Kendriya vidyalaya, Chennai
Class : Class 5
C

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Agnish Chakraborty from The Heritage School, Kolkata
Subject :NSO    Class : Class 2

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Sainyam Sharma from Thakur Public School, Mumbai
Subject :NSO    Class : Class 8

Read the given passage and fill in the blanks by choosing an appropriate option.
Non-metals find wide applications in industries. For example i is used in electrodes, ii is used in welding metals, iii is used to make antiseptic creams while iv is used as a preservative due to its inert nature.

(i) (ii) (iii) (iv)
A Carbon hydrogen chlorine Phosphorus
B Hydrogen oxygen chlorine nitrogen
C Graphite hydrogen sulphur nitrogen
D Phosphorus sulphur oxygen carbon


b is the ans

Ans 1:

SOMDATTA BHATTACHARYA from Delhi Public School, Dhaligaon, Bongaigaon
Class : Class 5
i think the answer is B

Ans 2:

Aditya Karri from Ganges School, Hyderabad
Class : Class 9
How can sulphur be used in antiseptic creams? It would spoil our skin

Ans 3:

Sainyam Sharma from Thakur Public School, Mumbai
Class : Class 8
b is the answer

Ans 4:

sk from psbb millennium school, Chennai
Class : Class 9

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Pahul Singh Mahal from sacred heart school , ludhiana
Subject :NSO    Class : Class 9

A cyclist starts from centre O and reaches at R along the path OPR as shown in graph. What would you conclude from the velocity-time graph of the cyclist from the given graph?
image

A Velocity changes linearly if acceleration is changing non-linearly.
B Velocity becomes zero if acceleration becomes zero.
C Velocity changes non-linearly if acceleration is changing linearly.
D Velocity becomes uniform if acceleration becomes infinite.


Give a nice sol pls

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srijita sen from B.J.E.M school, Bhubaneswar
Subject :NSO    Class : Class 4

Ans 1:

srijita sen from B.J.E.M school, Bhubaneswar
Class : Class 6
Answer is option A

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AHANA BAG from DELHI PUBLIC SCHOOL JOKA SOUTH KOLKATA, KOLKATA
Subject :NSO    Class : Class 4

Ans 1:

Samruddhi Nagvenkar from Shree Mahalaxmi Primary School, Panaji
Class : Class 4

Ans 2:

srijita sen from B.J.E.M school, Bhubaneswar
Class : Class 6
Option -D is the correct answer.

Ans 3:

AHANA BAG from DELHI PUBLIC SCHOOL JOKA SOUTH KOLKATA, KOLKATA
Class : Class 9
mnbvgf

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Biju Pappachan from Rkc , Raipur
Subject :NSO    Class : Class 5

Ans 1:

Anantjit Chander from The Modern School, Sector 85, Greater Faridabad, Faridabad
Class : Class 8

Ans 2:

hridhaan solanki from gyanshree, noida
Class : Class 7

Ans 3:

Arnav Vashisth from GD GOENKA PUBLIC SCHOOL, Delhi
Class : Class 5

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Harshdeep roy from Bhavans School , Nagpur
Subject :NSO    Class : Class 7

Ans 1:

Harshdeep roy from Bhavans School , Nagpur
Class : Class 7
answer is option c

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