Fsc Part 2 Online Preparation for Chemistry Chapter 16 (Environment Chemistry )

Online Short Questions For Chapter 16 "12th Class Chemistry Chapter 16 Short Questions Preparation "

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Chemistry - 12th Class Chemistry Chapter 16 Short Questions Preparation

Question # 1

What is recycling of raw material?

  • Ans 1: In recycling some of the used or waster material are not discard after their initial use but are processed so that they can be used again,The purpose of recycling is to converse sources such as raw material and energy.
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Prepare Complete Set Wise Questions For Chapter 16 "12th Class Chemistry Chapter 16 Short Questions Preparation "

12th Class Chemistry Chapter 16 Short Questions Preparation - Set 1

Question # 1

What is recycling of raw material?

  • Ans 1: In recycling some of the used or waster material are not discard after their initial use but are processed so that they can be used again,The purpose of recycling is to converse sources such as raw material and energy.
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12th Class Chemistry Chapter 16 Short Questions Preparation - Set 2

Question # 1

Name the factors which affects the quantity of water?

  • Ans 1:
    1. Dissolved Oxygen
    2. Biochemical Oxygen Demand
    3. Chemical Oxygen Demand
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12th Class Chemistry Chapter 16 Short Questions Preparation - Set 3

Question # 1

How ozone layer in stratosphere is affected by chlorofluorocarbons?

  • Ans 1: Chlorofluorocarbons used as refrigerants in air conditioning and in aerosol spray are inert in the troposphere but slowly diffuse into stratosphere ,where they are subjected to ultraviolet radiation generating Ci free radicals which react with ozone and cause depletion.
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16th Chapter

12th Class Chemistry Chapter 16 Preparation

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