Recent content by jan

  1. J

    Comparing Calcium Carbonate in Shells: An Experiment

    thanks for your answers. i was thinking about methods for a week already
  2. J

    Comparing Calcium Carbonate in Shells: An Experiment

    hmmm r there any other options the shells r solid, and i had been thinking of producing calcium sulphate by adding sulpheric acid to the shells. but I'm unsure if whether i will see clear results
  3. J

    Comparing Calcium Carbonate in 2 Shells - Help Needed

    what experiment should i conduct to compare the amounts of calcium carbonate in 2 different shells... i believe this might be of use: acid + carbonate = salt + water + carbon dioxide my email is janice_ling88@yahoo.com.sg or post here pls help out...thanks
  4. J

    Comparing Calcium Carbonate in Shells: An Experiment

    what experiment should i conduct to compare the amounts of calcium carbonate in 2 different shells... i believe this might be of use: acid + carbonate = salt + water + carbon dioxide my email is janice_ling88@yahoo.com.sg
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