Environmental Chemistry - SS1 Chemistry Past Questions and Answers - page 4

31

Which of the following is a method of point source pollution control?

 

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A

Constructing wetlands

 

B

Improving agricultural practices

 

C

Reducing plastic waste

 

D

Implementing wastewater treatment plants

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32

Which of the following is an indicator of water quality used to assess pollution levels?

 

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A

pH level

 

B

Air temperature

 

C

Noise level

 

D

Soil moisture

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33

Define water pollution and suggest possible solutions to mitigate water pollution.

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34

What is the primary goal of Green Chemistry?

 

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A

Maximising chemical production

 

B

Minimising the use of chemicals

 

C

Eliminating all chemical processes

 

D

Balancing the economic and environmental aspects of chemistry

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35

Which of the following is NOT a principle of Green Chemistry?

 

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A

Atom economy

 

B

Renewable energy use

 

C

Pollution prevention

 

D

Safer solvents and auxiliaries

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36

Which of the following is an example of a sustainable practice?

 

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A

Using disposable plastic cups

 

B

Increasing energy consumption

 

C

Recycling paper and plastic waste

 

D

Disposing of hazardous chemicals in landfills

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37

What is the concept of "cradle-to-cradle" design in sustainability?

 

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A

Maximising resource extraction

 

B

Minimising waste generation

 

C

Disposing of products in landfills

 

D

Encouraging planned obsolescence

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38

Which of the following is an example of a sustainable solvent in Green Chemistry?

 

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A

Chloroform

 

B

Benzene

 

C

Water

 

D

Toluene

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39

What is the purpose of life cycle assessment (LCA) in sustainable practices?

 

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A

Identifying environmental impacts throughout a product's life cycle

 

B

Promoting rapid product obsolescence

 

C

Disregarding the environmental impacts of products

 

D

Minimising waste during the production process

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40

Which of the following is NOT an environmental benefit of sustainable agriculture?

 

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A

Preservation of soil quality

 

B

Reduced use of synthetic fertilisers

 

C

Decreased biodiversity

 

D

Conservation of water resources

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