National Science Olympiad Forum By SOF Olympiad Trainer - Page 533
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USHASHI CHAKRABARTI from INDUS VALLEY WORLD SCHOOL, CALCUTTA
Subject :NSO    Class : Class 6

Ans 1:

Viraj Upadhyay from The Khaitan School, Noida
Class : Class 6
translucent bcz the light is passing partially from the window

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Chinmay Barje from DSRV, Mumbai
Subject :NSO    Class : Class 7

Ans 1:

Aryan Keswani from Delhi Public School, Mathura Road, New Delhi
Class : Class 10

Ans 2:

Akshay Jha from DPS NERUL, Navi Mumbai
Class : Class 7

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Dhars from DPS EAST Bangalore , Bengaluru
Subject :NSO    Class : Class 8

Ans 1:

Student from School, City
Class : Class 8
Chromium is more expensive

Ans 2:

Bipasana from KV IIT Kanpur, Kanpur
Class : Class 9
B

Ans 3:

Tanushree Rahul Raghatate from Bhavans B.P.Vidya Mandir, Nagpur
Class : Class 8
CHROMIUM IS AN EXPENSIVE METAL SO WHOLE OBJECT COULD NOT BE MADE OF IT. SO CORRECT ANSWER SHOULD BE B.

Ans 4:

Aarna Gupta from DPS EAST, BANGALORE , Bengaluru
Class : Class 8
chromium is expensive . so answer should be B

Ans 5:

Vartika Agarwal from Phoenix world school, Pune
Class : Class 9
the people of SOF should be wise but they are acting like dummies.. Its like they don't know that CHROMIUM IS AN EXPENSIVE METAL. IF IT WAS CHEAP WHY WOULD ITEMS NEED TO BE ELECTROPLATED!! BECAUSE OF THIS MISTAKE I LOST A MARK AND IN THE 1ST QUESTION TOO BECAUSE OF THEIR HORRIBLE MISTAKES.. I AM VERY ANGRY NOW.. I MEAN LIKE 2 MISTAKES IN 1 TEST?!?!.. REALLY?!?

Ans 6:

Gaurish Singla from DPS School Sector 19, Faridabad
Class : Class 8
Correct answer is B

Ans 7:

IAMLOST from ABC, Pune
Class : Class 8
In the SOF book, Option B is correct. How come here Option D?

Ans 8:

S V Harini from Vailankanni public school , Krishnagiri
Class : Class 8
chromium is not cheapif it is cheap then the whole material can be made of chromium, why do they electroplate it if its cheapoption D is wrong and option B is correct

Ans 9:

Prabhav Kaushik from DPS Noida, Noida
Class : Class 8

Ans 10:

Aarna Gupta from DPS EAST, BANGALORE , Bengaluru
Class : Class 8

Ans 11:

Anshuman D from MVM, Hyderabad
Class : Class 9
It means that in place of electroplating the object with some other metal like silver ,it is cheaper to electroplate it with chromium

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Cristiano Ronaldo 07 from Delhi Public School Panvel, Panvel
Subject :NSO    Class : Class 10

Ans 1:

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

Ans 2:

Cristiano Ronaldo 07 from Delhi Public School Panvel, Panvel
Class : Class 5
C.Both

Ans 3:

Aadya Jha from dps, noida
Class : Class 5
a

Ans 4:

Anvesha Dubey from Lodha World School , Dombivali
Class : Class 5
The chicken was born first. Because the formation of egg shell relies upon a protein found only in the chicken's ovaries. Hope you found the answer to your question

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Sehaj singh Sidhu from TMSB, Bathinda
Subject :NSO    Class : Class 8

Ans 1:

AAshutosh Jindal from HOLY angels school, RAJPURA
Class : Class 8
Correct option is A

Ans 2:

AAshutosh Jindal from HOLY angels school, RAJPURA
Class : Class 8

Ans 3:

TARUN from DAV, DHANBAD
Class : Class 8
Ans.- (A) Gravity always accelerates any body's speed when it is coming towards the earth. g = 9.8 m/s^2

Ans 4:

AAshutosh Jindal from HOLY angels school, RAJPURA
Class : Class 8
Correct option is A

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Arjun Gourineni from CHIREC International School, Hyderabad
Subject :NSO    Class : Class 2

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is A


Ans 2:

Arjun Gourineni from CHIREC International School, Hyderabad
Class : Class 7

Ans 3:

Arjun Gourineni from CHIREC International School, Hyderabad
Class : Class 7

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Parijat Majumdar from Salt Lake School, Kolkata
Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is B

The gas having lowest boiling point i.e., highly volatile will be distilled out first and the gas having highest boiling point i.e., least volatile will be distilled out at the last. So, the correct order of gases distilling out is neon, nitrogen, oxygen, krypton.


Ans 2:

Yash from Bharat vidalaya , Buldhana
Class : Class 9
Option b

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Ananya from GIIS International school, Pune
Subject :NSO    Class : Class 3

Ans 1:

Abhijay Saha from Delhi Public School, Megacity, Kolkata
Class : Class 3

Ans 2:

Abhijay Saha from Delhi Public School, Megacity, Kolkata
Class : Class 3
I don't understand this question..!!

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is B

Here forces X, Y and Z are Friction, Magnetic force and Gravitational force. It is friction which opposes or slows down moving objects


Ans 4:

HANAN FAISAL from GLOBAL INDIAN INTERNATIONAL SCHOOL, Abudhabi UAE
Class : Class 4

Ans 5:

Ahaan Chaudhary from DPS Noida Sector- 30, Noida
Class : Class 5
Can't understand question.....

Ans 6:

priyank from DAV SCHOOL, Cuttack
Class : Class 7
not understanded

Ans 7:

Abhijay Saha from Delhi Public School, Megacity, Kolkata
Class : Class 3

Ans 8:

Diya Jasmina from Samsidh MLZS, Bengaluru
Class : Class 4

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Urvee Sarang Gokhale from Sri Sri Ravi Shankar Vidya Mandir, Pune
Subject :NSO    Class : Class 2

Ans 1:

John Mathew from Somerville School, Delhi
Class : Class 7
The Correct answer is A dungbeetles, as they help us in removing dung from the road

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Dung beetle is a helpful insect that helps in dispersing dung


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sanika from DAV public school, darghanga
Subject :NSO    Class : Class 6

Ans 1:

Manvi Mundepi from Montfort School Roorkee, Roorkee
Class : Class 9
KINDLY LEARN ENGLISH GRAMMAR FIRST

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

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