Tag: man made materials

Questions Related to man made materials

Multiple choice chemistry man made materials plastic and environment pollution due to plastics environmental impact: plastics

Which of the following is biodegradable substance?

  1. Cotton Cloth

  2. Thermosetting plastics

  3. Thermoplastics

  4. PVC Pipes

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

As a natural product, cotton is completely biodegradable, which means that it breaks down when put into a composting pile or bin. Because of cotton's biodegradable properties, all-cotton clothing can also be recycled and used in the manufacture of useful materials, such as household insulation


Hence, the correct option is $\text{A}$

Multiple choice chemistry man made materials plastic and environment pollution due to plastics environmental impact: plastics

Why the waste created by plastics is not friendly with environment ?

  1. Plastics are non biodegradable

  2. Plastics are biodegradable

  3. On burning it causes pollution due to evolution of poisonous gases

  4. (1) & (3) both

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Plastics is not environment friendly because it is non biodegradable and on burning it leaves poisonous gases.
Option D is correct.

Multiple choice chemistry man made materials plastic and environment pollution due to plastics environmental impact: plastics

Fill in the blanks by suitable words to make correct statements:

When ________ is burnt, it releases toxic gases into the air causing air pollution.

  1. LPG

  2. Plastic

  3. Both A and B

  4. None of them

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Burning plastic releases toxic chemicals and pollutants into the air, contributing significantly to air pollution.