National Science Olympiad Forum By SOF Olympiad Trainer - Page 102
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Dheer Pandey from Sentia The Global School, Hyderabad
Subject :NSO    Class : Class 4

Ans 1:

Arnav kaul from Chirec, Hyderabad
Class : Class 2
A because a cooking pot cannot be made of plastic and wood.

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Rohan Naik from VIBGYOR high, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

shubhavi Dhondge from NPS, Banagalore
Class : Class 9
the ans is C

Ans 2:

shubhavi Dhondge from NPS, Banagalore
Class : Class 9

Ans 3:

Aaryaman Pradhan from De paul School , Berhampur
Class : Class 5
c

Ans 4:

Vaibhav from The Millennium School , Dubai
Class : Class 8
The correct answer is A(D).

Ans 5:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 6
Please tell me how is it D

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Venkatanathan TA from NPS International Chennai, Chennai
Subject :NSO    Class : Class 4

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ansh from deens academy, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Ronav Kerkar from Jamnabai Narsee School, Mumbai
Class : Class 7
c

Ans 2:

Antareep Mukherjee from New Horizon Public School, Bangalore
Class : Class 8
a

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

Ans 4:

Aaryaman Pradhan from De paul School , Berhampur
Class : Class 5
b

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Deepa Moses from Glendale Academy , Hyderabad
Subject :NSO    Class : Class 4

Ans 1:

PLR from Hindu Senior, Chennai
Class : Class 10
C is the correct answer.

Ans 2:

Aditya Bhunia from DPS South Bangalore, Bengaluru
Class : Class 5
C

Ans 3:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7
Can you tell the answer to this question

Ans 4:

Soorya Tej R from Delhi Public School, Hyderabad
Class : Class 4

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Rishab Murthy from Birla Public School , Doha
Subject :NSO    Class : Class 4

Ans 1:

Aayansh Bhatnagar from Apeejay School, Noida, Noida
Class : Class 4
it should be D

Ans 2:

Suharto from Springdale High School , Kalyani
Class : Class 4
It's D

Ans 3:

ADITYA ROY from VIDYASAGAR SHISHU NIKETAN, MEDINIPUR
Class : Class 5
yes the answer is D

Ans 4:

Vaajith from THE ELEGANT PUBLIC SCHOOL, Palakkad
Class : Class 4
Yes, it is D, but they are saying it is C.

Ans 5:

Rishika Raj Sinha from Delhi World Public School, Noida Extension
Class : Class 9
the answer is d

Ans 6:

Arshya from KV Meenambakkam, Chennai
Class : Class 7
YES , IT IS D

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Rohan David from Oakridge International school, Hyderabad
Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
C C c everyone can seethe answer is Ceveryone plz agree

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is C.

Ans 4:

Adarsh from DPS, Raipur
Class : Class 5
The correct answer is c

Ans 5:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5
The correct option is c

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Aditya Avadhani from Deens Academy, ECC road, Whitefield, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Harshit from Montfort , Delhi
Class : Class 7
its c

Ans 2:

somesh from Centre point katol road, Nagpur
Class : Class 6
B

Ans 3:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 8
Explanation please

Ans 4:

Sreejani Bhaduri from National Public School, Bangalore
Class : Class 10
Ps

Ans 5:

Bhavya Sheth from Bright Day School, Vadodara
Class : Class 6
Yes answer should be D because I also think like Vidhya M.

Ans 6:

Midhuna from ABCD, Banglore
Class : Class 3
Answer is C

Ans 7:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4
yes ans should be d

Ans 8:

SUHARSH SAXENA from dpsnoida, Noida
Class : Class 5
No d is not the answer I have google it it is showing g that a Is a bad idea

Ans 9:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer is C

Ans 10:

Goutham from lt, Chennai
Class : Class 4
The answer should be D. How can A and B be correct?

Ans 11:

SJ HARITHA from PSNLO, BENGALURU
Class : Class 10
same

Ans 12:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4

Ans 13:

Shivam Chablani from The Shriram Millenium School , Faridabad
Class : Class 5
The answer should be D

Ans 14:

Rishik De Sarkar from Delhi Public School Gurgaon, Gurgaon
Class : Class 7

Ans 15:

Anshuman raj from STCS, Karnal
Class : Class 9
Actually fresh ink stains can be lighten by using talcum powder and in dry cleans stores petrol is used to remove oil and grease So from my side C is the answer

Ans 16:

Goutham from lt, Chennai
Class : Class 4
The answer should be D. How can A and B be correct?

Ans 17:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 5
c

Ans 18:

Samarth Vijay Yeliathaya from Shri Kumarans Children home,cbse, Bangalore
Class : Class 5
Even I thought 'D' is the answer

Ans 19:

shivan iyer from dr pillai global academy, MUMBAI
Class : Class 4
no no ans should be d because how will we get petrol

Ans 20:

Aarav from SNBP, Pune
Class : Class 4
It’s c because talcum powder does work on fresh ink stains and petrol works on oil and grease everyone should know that cotton need soft detergent

Ans 21:

DEVAANGANA SARDAR from G.D. Birla Centre for Education, Kolkata
Class : Class 7
Answer is most probably C

Ans 22:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 8

Ans 23:

Suhana Kedia from Griffin's international school, Kharagpur
Class : Class 5
Maybe dry cleans have a chemical that contains petrol for oil grease

Ans 24:

NARAYANAN VENKITASUBRAMANI from THE PSBB MILLENNIUM SCHOOL, Coimbatore
Class : Class 8

Ans 25:

Avya Pandey from NPS International, Singapore
Class : Class 8
it should be D

Ans 26:

Vidhya M from Vibgyor High Bannerghatta, Bangalore
Class : Class 7
I don't believe that fresh ink stains can be removed with talcum powder and oil and grease can be removed with petrol. I think the answer should be "D"

Ans 27:

SHUVRA MAITRA from THE HERITAGE , KOLKATA
Class : Class 4

Ans 28:

Arjun Gourineni from CHIREC International School, Hyderabad
Class : Class 7
D is the ans

Ans 29:

avsonawane from Blue Ridge Public School, Pune
Class : Class 9
the correct option shall be "D". The answer marked in the system shall be reviewed...

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pydimarri@gmail.com from Vibgyorhigh, Bengaluru
Subject :NSO    Class : Class 4

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Navneeth Reejish from Yuvabharati International school, Singapore
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is C.

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