Chemistry, 09.12.2020 08:30, lumikuz123
15. How can a pure sample of barium sulphate be obtained from barium carbonate?
A. Dissolve barium carbonate in dilute hydrochloric acid, followed by dilute
sulphuric acid, then filter and crystallise.
B. Dissolve barium carbonate in dilute hydrochloric acid, followed by dilute
sulphuric acid, then filter and rinse.
C. Dissolve barium carbonate in water, followed by dilute sulphuric acid, then filter
and crystallise.
D. Dissolve barium carbonate in water, followed by dilute sulphuric acid, then filter
and rinse.
Answers: 3
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15. How can a pure sample of barium sulphate be obtained from barium carbonate?
A. Dissolve barium...
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