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Primary 5 English
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SS 1 Biology
تبصرے
10 تبصرے
An in-depth look at some fine chemicals as well as some industries that make use of them.
An in-depth look at some heavy chemicals as well as some industries that make use of them.
Learn of the differences between heavy and fine chemicals, as well as some examples of each.
A look at the positives and negatives of industrialisation, as well as some steps that can be taken to tackle the negatives.
A look at the major raw materials needed by different chemical industries.
Learn about the importance and history of chemical industries.
This lesson explains how natural gas is obtained. it also explains the meaning of petrochemicals.
This lesson describes how the quality of a fuel is measured.
This lesson describes how useful substances are obtained from crude oil.