Subject Experts Solutions for Chapter: Synthetic Fibres and Plastics, Exercise 3: TOUGH NUT
Subject Experts Science Solutions for Exercise - Subject Experts Solutions for Chapter: Synthetic Fibres and Plastics, Exercise 3: TOUGH NUT
Attempt the practice questions on Chapter 3: Synthetic Fibres and Plastics, Exercise 3: TOUGH NUT with hints and solutions to strengthen your understanding. Study Mate Science Class 8 solutions are prepared by Experienced Embibe Experts.
Questions from Subject Experts Solutions for Chapter: Synthetic Fibres and Plastics, Exercise 3: TOUGH NUT with Hints & Solutions
Why do cooking appliances have handles made of Bakelite?
Will a shirt made of rayon, which is made from wood pulp, stick to the body on catching fire? What do you think?
Both polythene and bakelite are plastics but are still different. Can you tell the difference?
Timothy and Isaac were sitting in the bedroom and watching TV. Isaac's mother was cooking food in the kitchen. Somebody rang the bell and Isaac's mother went to the door to speak to the person. Meanwhile, in the kitchen, oil in the utensil that was placed on the gas stove burned out completely. The utensil had to be immediately removed from the gas stove and placed under running tap water. To hold the utensil, pieces of the following cloth materials were available:
(a) polyester, (b) cotton, (c) nylon and (d) acrylic. Which of these cloth pieces should be used for holding the utensil? What can we learn from this incident?
Surbhi is studying in class 8 at the Mahatma Gandhi Vidyapith. She is learning about synthetic fibres and plastics in chapter 3 of her science textbook. One day she went to a furniture shop where she saw different kinds of plastics and fibres being used for different purposes. She also saw the mixing of different fibres and plastics for making furniture. She saw the following materials/fabrics being used:
(a) Plastic that was getting deformed in heating, (b) Plastic that was not changing shape despite heating, (c) A silken, artificial fabric made from natural material, and (d) A fabric which was stronger than steel.
Help Surbhi to find the names of the above plastics and fabrics.
Surbhi is studying in class 8 at the Mahatma Gandhi Vidyapith. She is learning about synthetic fibres and plastics in chapter 3 of her science textbook. One day she went to a furniture shop where she saw different kinds of plastics and fibres being used for different purposes. She also saw the mixing of different fibres and plastics for making furniture. She saw the following materials/fabrics being used:
(a) Plastic that was getting deformed in heating, (b) Plastic that was not changing shape despite heating, (c) A silken, artificial fabric made from natural material, and (d) A fabric which was stronger than steel.
Name three pieces of furniture that can be made from thermoplastics.
Surbhi is studying in class 8 at the Mahatma Gandhi Vidyapith. She is learning about synthetic fibres and plastics in chapter 3 of her science textbook. One day she went to a furniture shop where she saw different kinds of plastics and fibres being used for different purposes. She also saw the mixing of different fibres and plastics for making furniture. She saw the following materials/fabrics being used:
(a) Plastic that was getting deformed in heating, (b) Plastic that was not changing shape despite heating, (c) A silken, artificial fabric made from natural material, and (d) A fabric which was stronger than steel.
Give three reasons for avoiding plastic furniture.
