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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:

Class : Class 8
IT SHOU BE D!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 2:

Class : Class 8
How is this possible Nylon burns with smell of hair???

Ans 3:

Class : Class 10

Ans 4:

Class : Class 8
wrong answerthe answer should be B

Ans 5:

Class : Class 9
nylon burns with a smell of plastic, not burning hair. WTF?

Ans 6:

Class : Class 8
Supposed to be D

Ans 7:

Class : Class 8
wool burns with smell of burning hair

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