Raghu took out a torn shirt- He pulled out a few strands called -39-X -39- from his shirt- When he untwisted them- he found very thin strands called -39-Y -39- Identify -39-X -39- and -39-Y -39-a- X-yarn- Y-fibre-b- X-fibre- Y-yarn-c- X-fabric- Y-yarn-d- X-fleece- Y-yarn

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Standard VII

Chemistry

Processing Silk Obtained from Cocoons

Raghu took ou...

Question

Raghu took out a torn shirt. He pulled out a few strands called 'X' from his shirt. When he untwisted them, he found very thin strands called 'Y'. Identify 'X' and 'Y'.
(a) X-yarn, Y-fibre
(b) X-fibre, Y-yarn
(c) X-fabric, Y-yarn
(d) X-fleece, Y-yarn

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Solution

(a) X-yarn, Y-fibre

Fabric (or cloth) is made of yarns, which in turn are made of fibres. Raghu pulled out a few strands called yarns from his shirt. When he untwisted them, he found very thin strands called fibres.

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Q. Raghu took out a torn shirt. He pulled out a few strands called 'X' from his shirt. When he untwisted them, he found very thin strands called 'Y'. Identify 'X' and 'Y'.
(a) X-yarn, Y-fibre
(b) X-fibre, Y-yarn
(c) X-fabric, Y-yarn
(d) X-fleece, Y-yarn

Q. Match the terms given in Column I with the statements given in Column II.

Column I	Column II
(a) Weaving	(i) A single yarn used to make a fabric
(b) Knitting	(ii) Combing of cotton fibres to remove Seeds
(c) Spinning	(iii) Yarns are made from these thin strands
(d) Ginning	(iv) These are spun from fibres and then used to make fabrics
(e) Fibre	(v) Process of arranging two sets of yarns together to make a fabric
(f) Yarn	(vi) Process of making yarn from fibres

Question 10
The correct sequence to get cloth is
(a) $fibre \to fabric \to yarn$
(b) $fibre \to yarn \to fabric$
(c) $fabric \to yarn \to fibre$
(d) $yarn \to fibre \to fabric$

Q. Consider the following statements.
Statement 1: Yarn is a long continuous strand of fibres twisted together.

Statement 2: Yarns are joined together to make fabric.

Q. The process of making yarn from drawn-out strands of fibre is known as ____.

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Raghu took out a torn shirt. He pulled out a few strands called 'X' from his shirt. When he untwisted them, he found very thin strands called 'Y'. Identify 'X' and 'Y'. (a) X-yarn, Y-fibre (b) X-fibre, Y-yarn (c) X-fabric, Y-yarn (d) X-fleece, Y-yarn

(a) X-yarn, Y-fibreFabric (or cloth) is made of yarns, which in turn are made of fibres. Raghu pulled out a few strands called yarns from his shirt. When he untwisted them, he found very thin strands called fibres.

Raghu took out a torn shirt. He pulled out a few strands called 'X' from his shirt. When he untwisted them, he found very thin strands called 'Y'. Identify 'X' and 'Y'.
(a) X-yarn, Y-fibre
(b) X-fibre, Y-yarn
(c) X-fabric, Y-yarn
(d) X-fleece, Y-yarn

(a) X-yarn, Y-fibre

Fabric (or cloth) is made of yarns, which in turn are made of fibres. Raghu pulled out a few strands called yarns from his shirt. When he untwisted them, he found very thin strands called fibres.