SPM Chemistry

Self Assess 5.6 – Chemistry Form 5 Chapter 5


Question 1:
What is the meaning of Green Technology?

Answer:
Green Technology is a technology developed to reduce the impact of human activities on the environment.


Question 2:
Why is there a need to treat the leachate in solid waste disposal process?

Answer:
To prevent groundwater sources from being polluted.


Question 3:
List the Green Technology used in wastewater management.

Answer:
Use of Green Technology in wastewater treatment:

(a) Use of bacteria to decompose harmful substances.

(b) Isolation of solid wastes from wastewater treatment

(c) Use of bacteria in wastewater treatment.


Question 4:
How can Green Technology mitigate the greenhouse effect?

Answer:
The use of solar energy in vehicles can reduce the release of carbon dioxide gas, which contributes to the greenhouse effect.