CBSE Class 7 Science Steps For Obtaining Wool Fibre From Animals
- what is the process of wool
- what is the chemical natural wool
- How is wool obtained
- why do you think a cotton garment cannot keep us warm in winter as a woollen as a woollen sweater does?
- Acrylic is synthetic fibre why?
- What are burrs?
- SOLVE THESE QUESTIONS PLEASE PLEASE. THANKS
- Which regions are the leading producers of yak wool and angora wool?
- What is done after dyeing of fibre in various colours during the process of making wool?
- (i) What is the purpose of scouring of the sheared skin obtained from sheeps? (ii) How is it done?
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