Tag: plastic and environment

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Questions Related to plastic and environment

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 manmade materials plastic and environment pollution due to plastics environmental impact: plastics

Plastic products are identified by the use of some special numbers. These numbers represent for

  1. Electrical conductivity of plastic product

  2. Thermal resistance of plastic product

  3. Durability of plastic product

  4. Recycling of plastic product
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

These numbers are used to indicate whether the plastic can be recycled into new products or not.

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.

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

What is recycling?

  1. Burning of material

  2. Break down the material by natural process

  3. Recovering and reprocessing the material into useful products

  4. Burying the products in land
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Plastic recycling is the process of recovering scrap or waste plastic and reprocessing the material into useful products, sometimes completely different in form from their original state.

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

What are biodegradable compounds?

  1. Compounds which can not be decomposed

  2. Compounds which can be decomposed by man-made processes

  3. Compounds which can be decomposed by natural processes

  4. All of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Biodegradable compounds are compounds which get disposed through natural processes, such as action of bacteria. e.g peels of fruits, vegetables, paper.