Thursday, 18 October 2012

Carbonates

Today we're going to keep looking at carbonates and limestone.  Answer the following in your books:


  1. What do you get when you add a carbonate to and acid? (you should know this from last lesson, but check here to see if you were right).
  2. What is thermal decomposition?
  3. A lime kiln uses limestone to create products used for building. Use this image and the equation in it to describe what gets produced when limestone is heated:
  4. Watch this video.  What are the three main stages in producing cement? 
  5. What is the difference between cement and concrete?
  6. What environmental impacts are there with limestone mining?
  7. Complete the exam-style questions from class, using the mark scheme at the end to check your work. You should complete this at home if you don't finish in time today.

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