Environmental Chemistry - SS1 Chemistry Past Questions and Answers - page 5

41

Which of the following is an example of a green solvent?

 

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A

Acetone

 

B

Dichloromethane

 

C

Ethanol

 

D

Hexane

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42

What is the concept of "upcycling" in sustainable practices?

 

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A

Converting waste materials into new products of higher value

 

B

Discarding waste materials in landfills

 

C

Downgrading the quality of materials for reuse

 

D

Promoting the use of single-use plastics

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43

Define green chemistry and discuss its principles.

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44

Discuss the importance of sustainable practices in industries and businesses. Provide examples of sustainable initiatives and their benefits.

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