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Questions 6.4.1(a)

  1. How can we dry carbon (II) oxide?

  2. If oxalic acid is used, how can carbon (IV) oxide be removed?

  3. Explain how you would collect dry carbon (II) oxide.

  4. Draw a labelled diagram for the arrangement you would use to prepare and collect a wet sample of carbon (II) oxide from carbon (IV) oxide and carbon.

  5. Explain what would be observed when a few drops of concentrated sulphuric acid are added to copper (II) sulphate crystals



Answers to Questions 6.4.1(a)

 Chemistry

5. The blue crystals turn to a white powder because the acid removes water of crystallization.