National Science Olympiad Forum By SOF Olympiad Trainer - Page 837
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ravi agarwal from sainik school , Bijapur
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

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

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ravi agarwal from sainik school , Bijapur
Subject :NSO    Class : Class 8

Ans 1:

Triguna from Kendriya Vidyalaya No.1 Salt Lake, Kolkata
Class : Class 8

Ans 2:

yuvraj from Bhakti Vedanta Swami mission school, Mumbai
Class : Class 8

Ans 3:

Ridhi Goyal from DAV Public School, Ludhiana
Class : Class 9
answer is part A

Ans 4:

Chatresh ramasai gudi from Bgsnps , Bangalore
Class : Class 8

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aneeshahadke@gmail.com from Euroschool Airoli, Mumbai
Subject :NSO    Class : Class 6

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AASHIA CHANDRA from MANAV RACHNA INTERNATIONAL SCHOOL, GURGAON
Subject :NSO    Class : Class 7

Ans 1:

Vedant Pungliya from ,
Class : Class 7
b

Ans 2:

Aditya kumar from Sapphire International School, Noida
Class : Class 8
the answer is "b" actually it depends upon the temperature which is present inside the room. If it is hot then transpiration rate will be faster

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Vikram from AVM, Mumbai
Subject :NSO    Class : Class 3

Ans 1:

Jeronee from Christwood School, PERUMBAKKAM
Class : Class 5
The question is which can replace R. according to the flow chart /r doesn't have definite shape nor volume. So it should be a gas or vapour. the option B has all the items in the form of gas, oxygen, hydrogen and watervapour and is the right answer.

Ans 2:

Admin from Revisewise, Noida
Class : Class 3
The group listing items that can replace R is Option B. The marking P Q R above the options is an error which we regret and will correct as soon as possible. Thanks for bringing it to our notice.

Ans 3:

Vikram from AVM, Mumbai
Class : Class 5
Thanks for the reply and for rectifying the error

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Ashwin Shridhar from VSA, Bengaluru
Subject :NSO    Class : Class 5

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kunal from Av vidya mandir school , cheeka
Subject :NSO    Class : Class 7

Ans 1:

RiptideMel from Modern Vidya Niketan Senior Secondary School Sec 17, Faridabad
Class : Class 10
I have 16 badges, but don't know what they are!

Ans 2:

Ashee Srivastava from APEEJAY SCHOOL NOIDA , NOIDA
Class : Class 7
I have 3 badges but don't know which ones.

Ans 3:

Aniket kumar from kendriya vidyalaya, Delhi
Class : Class 8
please tell me too

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Ashwin Shridhar from VSA, Bengaluru
Subject :NSO    Class : Class 5

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ABHIJEET TIKKHA from APEEJAY SCHOOL NOIDA, Noida
Subject :NSO    Class : Class 8

Ans 1:

Saanvi Puri from Venkateshwar international school, New delhi
Class : Class 8
It should be b

Ans 2:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10
yes answer should be B

Ans 3:

Dr Anupa Ghosh from ,
Class : Class 8
The correct option is B.Because curd is acidic and the indicator should have changed to dark pink color.

Ans 4:

SUBRATA MUKHERJEE from ,
Class : Class 7
Answer should be b

Ans 5:

RiptideMel from Modern Vidya Niketan Senior Secondary School Sec 17, Faridabad
Class : Class 10
Any link with Lopamudra Raut? :-)

Ans 6:

Mohak Khetan from Podar International School Powai , Mumbai
Class : Class 8
I think the answer which they told is wrong. The ans should be B.

Ans 7:

Siya sharma from Mayoor , Noida
Class : Class 8
B is correct antacids are basic since they are made for curing stomah acidity so it will turn the indicator to green.

Ans 8:

lakshay gupta from DPS, New Delhi
Class : Class 9
it should be B as antacids are basic, and they will turn china rose to green

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ravi agarwal from sainik school , Bijapur
Subject :NSO    Class : Class 8

Ans 1:

arnav from the gurukul, Panchkula
Class : Class 5

Ans 2:

Arsh Sharma from Bhavan Vidyalaya, Panchkula
Class : Class 8
X can be the harmful and toxic wastes.so as they are released and again gain concentration,the quantity of aquatic animals decrease.Otherwise it was on an increase as the pollution was discharged.

Ans 3: (Master Answer)

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

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