Subject :NSO Class : Class 7
Your mother goes to buy a woollen shawl from the market. The shopkeeper takes
out a small strand of yarn from the shawl and burns it. It smells like a burning plastic.
Will it be a good decision to buy this shawl and why?
(A) Yes, as it is a characteristic of pure wool
(B) No, as it is a characteristic of synthetic yarn
(C) Yes, as it is a characteristic of pure silk
(D) No, as it is a characteristic of cotton.
Ans 1:
Class : Class 7
THE ANSWER IS B AS IN THE BURNING TEST BURNING PLASTIC MEANS THE YARN IS A SYNTHETIC FIBRE