Air
CHEMISTRY SSS2 second Term
WEEK 1
Air
Performance objectives
Students should be able to:
- List the constituents of air and state their percentage composition
- State the properties of air
- Draw and label two zones of flame.
Content
Introduction to the component of air
We all know that air surrounds us everywhere on this planet. One cannot imagine the existence of life without air. Ever wondered what is air made up of? Is it a mixture or a pure substance? In ancient times, the air was thought to be a pure substance but was later found to be a mixture of many gases. The composition of air is not constant and changes from place to place. For example: in polluted areas, since emissions of carbon dioxide are very high air.... View More
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