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Air

Description

Junior Certificate Chemistry Mind Map on Air, created by Shane Buckley on 09/11/2014.

Mind Map by Shane Buckley, updated more than 1 year ago

	Created by Shane Buckley about 10 years ago

33

3

Resource summary

Air

Composition
1. Nitrogen 78%
2. Oxygen 21%
3. Carbon Dioxide 0.03%
4. Water vapour 0-4%
5. Argon <1%
Preparation
1. Oxygen
  1. Hydrogen Peroxide
  2. Manganese Dioxide
2. Carbon Dioxide
  1. Hydrochloric Acid
  2. Marble Chips
Tests
1. Oxygen
  1. Relights glowing splint
2. Carbon Dioxide
  1. Does not support combustion
  2. Turns Limewater Milky
Properties
1. Oxygen
  1. Colourless odourless tasteless Gas
  2. Slighty denser than air
  3. Slightly Soluble in water
  4. Neutral Gas (Ph of 7)
  5. Very Reactive
2. Carbon dioxide
  1. Colourless odourless tasteless Gas
  2. Acidic Gas
  3. Does not support combustion
  4. Denser than air
Uses
1. Oxygen
  1. Breathing
  2. Welding
  3. Burning
2. Carbon Dioxide
  1. Photosynthisis
  2. Fire extinguishers
  3. Fizzy Drinks

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