Question

E
Fill in the blanks from the list of words given Weld
bakelite, elasticity, strong, thermo, poor conductor, PVC, polymer
1. PVC is
plastic.
2. Bakelite is
of heat and electricity.
3. Like synthetic fibre, plastic is also a
4.
Synthetic threads are
5.
Water-pipes are made from
6. Synthetic fibres are used to make socks because of its
7.
was the first true plastic.​

Answer 1

Plastics are useful but today they have become a serious global environment and health concern due to their excessive use. This is because plastics are non-biodegradable. They microorganisms in the soil. Inappropriate disposal of plastics is a serious problem. It chokes drains and blocks the pores of soil, which hinders the absorption water by soil. Plastic bags contaminate food because of the poisonous dyes associated Moreover, burning poisonous fumes, which causes air pollution. These fumes also cause cancer. cannot be decomposed by the with them. of plastics releases

Answer 2

1. Thermoplastic
2. Poor conductor
3. Polymer
4. Strong
5. PVC
6. Elasticity
7. Bakelite