Question
List some properties and uses of acrylic and polyester.
✓
Answer
Acrylic and polyester are man-made fibres.Acrylic:
$i.$ Acrylic is lightweight and soft.
$ii.$ Acrylic is thermoplastic. It deforms easily upon heating.
$iii.$ It resembles wool, but it is not as costly as wool.
$iv.$ Clothes made from acrylic are available in a variety of colours.
$v.$ It is used to make paints, glass, socks, gloves, sweaters etc.
Polyester:
$i.$ Fabric made from polyester does not wrinkle easily. It is durable.
$ii.$ Clothes made from polyester are easy to wash and are cheap.
$iii.$ Polyester is thermoplastic in nature. It deforms and bends easily upon heating.
$iv.$ It is used to make bottles, safety belts, carpets etc.
$i.$ Acrylic is lightweight and soft.
$ii.$ Acrylic is thermoplastic. It deforms easily upon heating.
$iii.$ It resembles wool, but it is not as costly as wool.
$iv.$ Clothes made from acrylic are available in a variety of colours.
$v.$ It is used to make paints, glass, socks, gloves, sweaters etc.
Polyester:
$i.$ Fabric made from polyester does not wrinkle easily. It is durable.
$ii.$ Clothes made from polyester are easy to wash and are cheap.
$iii.$ Polyester is thermoplastic in nature. It deforms and bends easily upon heating.
$iv.$ It is used to make bottles, safety belts, carpets etc.
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$2.$ A process by which the various constituents of petroleum are separated.$ (8)$
$3.$ A porous black substance obtained form coal. $(4)$
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Down:
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→Across:
$1.$ Fuels obtained form dead remains of living organisms. $(6, 5)$
$2.$ A process by which the various constituents of petroleum are separated.$ (8)$
$3.$ A porous black substance obtained form coal. $(4)$
$4.$ Another name for motor fuel. $(6)$
Down:
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$6.$ Fuel for heavy motor vehicles. $(6)$
$7.$ A petroleum product used for road surfacing. $(7)$
$8.$ Dead remains of sea animals got converted into it. $(9)$
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