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Summary Coordinated Science - IGCSE - Chemistry - Planet Earth $5.49   Add to cart
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Summary Coordinated Science - IGCSE - Chemistry - Planet Earth
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  • Course
  • Chemistry
  • Institution
  • 3
  • Book
  • Cambridge IGCSE (R) Combined and Co-ordinated Sciences Coursebook with CD-ROM

A basic summary of Chemistry chapter 1 - IGCSE Coordinated Science; covers the composition of air, air pollution, and global warming effects.

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Document information

  • No
  • Chapter 1
  • August 20, 2021
  • 5
  • 2020/2021
  • Summary

Subjects

  • chemistry
  • igcse
  • igcse
  • science
  • coordinated science
  • planet earth
  • earth
  • environment
  • gas
  • clean air
  • air
  • acid rain
  • petrol
  • diesel
  • global warming
  • greenhouse effect
  • earths atmosphere

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Content preview

Chapter 1 - Planet Earth
I. Composition and Uses of Gases in the Air
 Clean air consists of
Amount Components of Air Uses for Component

78% Nitrogen  used in the manufacture of ammonia and
fertilizer
→ Haber process
 liquid nitrogen can be used in cryogenics
→ storing embryos and other living tissues at
very low temperatures
 used to keep air away from certain products

21% Oxygen  production of steel from cast iron
 used in oxyacetylene torches
→ produce high-temperature flames to cut
metals
 used in hospitals for breathing support

1% Noble gases  used in different types of lighting
 argon is used to “fill” lightbulbs

→ 0.9% Argon

0.1% Other gases
(Carbon dioxide, water
vapor)

→ 0.04% Carbon Dioxide




 The development of Earth’s atmosphere

, II. Pollution of the Air
 Pollution concentration is measured in Parts per million (ppm) or Parts per
billion (ppb)

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