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CBSE 11th Standard Chemistry Subject Environmental Chemistry Value Based Questions 2 Mark Questions 2021

Published on: 31/05/2021

QB365 Provides the Value Based Questions Papers for Class 11 Chemistry, and also provide the detail solution for each and every Value Based Questions. Value Based Questions will help to get more idea about question pattern in every exams and also will help to get more marks in Exams

Download CBSE Class 11th Standard CBSE Chemistry question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 11th Standard CBSE Chemistry

Questions + Answers key

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Std: 11th Standard CBSE - Chemistry

chapter: - Value Based Questions

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Questions:

Generic 2

5 x 2 = 10

What is the use of recycled waste?

How is green chemistry a revolutionary step in protecting our environment and society?

In your opinion what measures will you take to save your valuable monument from acid rain?

You came to know that in your village ponds and tanks are severely polluted. Being a student of chemistry how will you check the pollution level and as a responsible citizen what will you do for this problem?

In our cities we face endless hours of power cut. How recycled waste can be useful in getting rid of this problem?

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Answers Key:

Generic 2

5 x 2 = 10

(i) Recycled waste can be used as fuel. It has high octane rating and can be used as green fuel.
(ii) Clothes can be made from recycled plastic waste.
(iii) It can be used to produce electricity.

Green chemistry is a way of utilizing the principles of chemistry to minimise the adverse impact on environment. It is a step to utilise our knowledge in reducing chemical hazards and put development activities in favour of saving environment.

We know that monument like.Taj Mahal is being slowly disfigured and marble is getting discoloured. We can make people aware by passing this information. People living in city will be encouraged to use LPG in place of coal, kerosene or fire wood.

First I will check the PH of water and inform about this to pollution control Board's office set up by the government to measure pollution level.

Technology has now been developed to produce electricity from the garbage. Garbage is cultured with bacterial species for producing methane commonly known as biogas. It can be used to produce electricity.