CBSE 11th Standard Chemistry Subject Value Based Questions 2 Mark Questions 2021 Part - II
By QB365 on 31 May, 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
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CBSE 11th Standard Chemistry Subject Value Based Questions 2 Mark Questions 2021 Part - II
11th Standard CBSE
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Reg.No. :
Chemistry
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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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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?
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In your opinion what measures will you take to save your valuable monument from acid rain?
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How is green chemistry a revolutionary step in protecting our environment and society?
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What is the use of recycled waste?
(a)
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CBSE 11th Standard Chemistry Subject Value Based Questions 2 Mark Questions 2021 Part - II Answer Keys
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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.
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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.
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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.
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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.
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(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.
