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Q4. 'Y', a man-made fibre made from wood pulp is a good substitute of a natural fibre 'Z'. Y and Z are: (i) Y - rayon, Z - silk (ii)Y- rayon, Z - wool (iii) Y - acrylic, Z - silk (iv) Y - acrylic, Z - wool

Answer»

1. Y=rayon and Z=silk As rayon it is also KNOW as ARTIFICAL silk... Hope so it is HELPFUL.. Pls follow me.. LIKE.. Mark me as brainliest.. THANKYOU



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