Tag: materials of daily use

Quizzes (10) Questions (17)

Questions Related to materials of daily use

Multiple choice chemistry materials of daily use wool - animal fibre wool fibres from animals

Group of animals which gives wool are:

  1. Sheep, goat, camel and yak

  2. Sheep camel, lion and rabbit

  3. Rabbit, silkworm, buffalow and cow

  4. Goat, cat, sheep and camel
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

There are many animals that bear a thick coat of hair on their body which gives wool to us for example sheep, goat, camel and yak.

Multiple choice chemistry materials of daily use wool - animal fibre wool fibres from animals

Which of the following is/are Indian breed of sheep?

  1. Beetal

  2. Barbari

  3. Jamunapari

  4. all of them
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

$Beetal, Barbari, Jamunapari$ all are Indian breeds of sheep. Beetal are found mainly in the states of Punjab, Barbari is found in Delhi, Uttar Pradesh, Gurgaon, Karnal, panipat and Rohtak in Haryana state and Jamunapari breeds are found mainly in the state of Uttar Pradesh.

Multiple choice chemistry materials of daily use wool - animal fibre wool fibres from animals

Which of the following are fleece and wool-bearing animals?

  1. Sheep and goat

  2. Camel and Yak

  3. Both A and B

  4. none of them
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sheep, goat, Camel, Yak, etc. bear hair of two different types coarse hair and fine soft hair. Fine soft hair is found close to the skin in these animals. The fine soft under hair is called fleece. Fibre for wool is obtained from the fleece (hair) of such animals and hence such animals are called wool-bearing animals.

Multiple choice chemistry materials of daily use classification of fibres fibres history of fabric

Acrylic is used for making carpets and blankets.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Acrylic fibers are synthetic fibers made from a polymer (polyacrylonitrile) with an average molecular weight of $\sim100,000$, about $1900$ monomer units. Strong and warm, acrylic fiber is often used for sweaters and tracksuits and as linings for boots and gloves, as well as in furnishing fabrics and carpets. It is manufactured as a filament, then cut into short staple lengths similar to wool hairs, and spun into yarn.
option A is correct

Multiple choice chemistry materials of daily use classification of fibres fibres history of fabric

After people began to settle in agricultural communities, they learnt to weave twigs and grass into mats and baskets.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

After people began to settle in agricultural communities, they learnt to weave twigs and grass into mats and baskets. Vines, animal fleece or hair were twisted together into long strands. These were woven into fabrics.