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Chapter 1: Useful Chemistry. Unit A: Matter and Chemical Change. 1.1 Chemistry Then and Now. Farming 100 years ago was very different than it is today. Synthetic or human-made chemicals have reduced the amount of work that farmers have to do. Pesticides Herbicides Insecticides

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chapter 1 useful chemistry

Chapter 1: Useful Chemistry

Unit A: Matter and Chemical Change

1 1 chemistry then and now
1.1 Chemistry Then and Now
  • Farming 100 years ago was very different than it is today.
  • Synthetic or human-made chemicals have reduced the amount of work that farmers have to do.
    • Pesticides
    • Herbicides
    • Insecticides
  • Synthetic fibres or threads are another creation that are a part of our daily lives.
1 2 plastics polymers and alloys
1.2 Plastics, Polymers, and Alloys
  • Polymers are a type of compound that occurs in nature.
  • Synthetic polymers are human-made materials consisting of long chains of molecules; often spun into thread to make fabrics or moulded to form plastics.
  • Alloys are a combination of two or more metals that look like one metal.
1 3 chemistry at home
1.3 Chemistry at Home
  • There are many hazardous materials that can be found in the home. Almost all of these products have safety warnings on their labels.
  • Hazardous Household Product Symbols or HHPS are pictures of hazards outlined by shapes resembling road signs.
1 4 chemistry at work
1.4 Chemistry at Work
  • Chemistry is present at many workplaces. The Workplace Hazardous Materials Information System or WHMIS helps employees work safely.
  • This system provides detailed information on how to store, handle, and dispose of dangerous substances.
    • This information can be found on the MSDS or Material Safety Data Sheet provided with the substance.
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