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Kaustubh Doval from Mirambika Free Progress , Delhi
Subject :NSO    Class : Class 8

Match column I with column II and choose the correct option from the codes given below.

Column I Column II
P. Nylon (i) Burns quickly with a smell of burning paper
Q. Wool (ii) Burns with sooty flame, fabric shrinks and black beads are formed
R. Acrylic (iii) Shrinks after exposure to flame, forms hard beads and gives a smell of burning hair
S. Rayon (iv) Burns slowly with a smell of burning hair


A P - (i), Q - (iv), R - (ii), S - (iii)
B P - (iii), Q - (iv), R - (ii), S - (i)
C P - (iv), Q - (iii), R - (i), S - (ii)
D P - (ii), Q - (iv), R - (iii), S - (i)


Ans 1:

A Venkata Sai Pranav from Podar International School, Bhusawal
Class : Class 9
How can Nylon burn with the smell of burning hair??

Ans 2:

arnav raj sharma from gulibulium school, new york
Class : Class 8
(D)

Ans 3:

ARNAB MANDAL from NAVY CHILDREN SCHOOL, VIZAG
Class : Class 9
nylon burns with a smell of plastic, not burning hair. WTF?

Ans 4:

Abhinav Aggarwal from delhi public school, ghaziabad
Class : Class 8
wool burns with smell of burning hair

Ans 5:

Nimish shah from Chrysalis high , Banglore
Class : Class 8
Correct answer is A

Ans 6:

S V Harini from Vailankanni public school , Krishnagiri
Class : Class 8
How is this possible Nylon burns with smell of hair???

Ans 7:

Karmanya Gupta from DPS, Udaipur
Class : Class 8
IT SHOU BE D!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 8:

Pushkar Sonnekar from Ryan International School, Mumbai, Vasai East
Class : Class 8
It should be D. Because nylon would never once burn with smell of paper in it's entire career. SOF, you gotta chnage the answer man.

Ans 9:

Anshuman D from MVM, Hyderabad
Class : Class 9
Supposed to be D

Ans 10:

Ankit kumar Jha from Ryan International School , Ghaziabad
Class : Class 9
wrong answerthe answer should be B

Ans 11:

cherry from atomic energy central school-4, mumbai
Class : Class 9
yes the answer is D. nylon burns with a smell of celery because its a synthetic fibre.

Ans 12:

Antarik Maity from Bharatiya Vidyabhaban, Kolkata
Class : Class 8
Nylon should neither have a smell of burning hair nor the smell of burning paper. Nylon has a celery or plastic-like cell. Hence the correct answer is D. But on the other hand when acrylic burns, it shrinks and converts into black beads. On this contrast, the correct answer will be B with respect to acrylic and D with respect to Nylon. There is definitely an error in the options of the answers!

Ans 13:

SAIRAM from TRIVENI TALENT SCHOOL, HYDERBAD
Class : Class 10

Ans 14:

Akshara from NPS, Bengaluru
Class : Class 8
Nylon does not have the smell of burning hair. So the answer should be d.

Ans 15:

Bhuvan vinod from Sentia The Global School, Hyderabad
Class : Class 9
IT must be D! Nylon does not burn with the smell of burning hair as it is purely synthetic and has no relation to the protein based hair.

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