Subject :NSO Class : Class 8
Which of the following statements is/are correct?
I. Natural fibres burn to form a residue on heating.
II. Wool and silk burn with smell of burning hair.
III. Silk being a natural fibre absorbs less water than
nylon.
IV. Natural fibres are moth resistant.
V. Synthetic fibres maintain a permanent crease and do not get crumpled.
AI and V only
BI, II and V only
CII, III and IV only
DII and V only
Ans 1:
Class : Class 8
Ans 2:
Class : Class 4
Silk burns with a smell of charred meat
Ans 3:
Class : Class 8