Chemistry 5070 · O Level · Preparation of salts

Preparation of salts — practice question

By what method can a pure sample of barium sulfate be prepared from barium carbonate?

  • ADissolve it in dilute hydrochloric acid, add dilute sulfuric acid, filter and crystallise.
  • BDissolve it in dilute hydrochloric acid, add dilute sulfuric acid, filter and wash.
  • CDissolve it in water, add dilute sulfuric acid, filter and crystallise.
  • DDissolve it in water, add dilute sulfuric acid, filter and wash.

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