Q45. Why synthetic fibre is used for making swimwear?

 

Q46. Write the steps of making cotton fabric from fibre.

 

Q47. Write the burning test for cotton, silk, wool, jute and nylon.

 

Fibre

Odour

Observation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q48. Write two advantages of natural fibre and synthetic fibre.

 

Q49. Write two disadvantages of natural fibre and synthetic fibre.

 

Q50. Differentiate between natural fibres and synthetic fibres.

 

Q51. Why do we wear woolen clothes in winter?

 


Last modified: Friday, 4 January 2019, 7:15 PM