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Dissolve sodium carbonate in water. Mix barium nitrate solution and sodium carbonate solution to precipitate barium carbonate. Filter the mixture to obtain barium carbonate as residue
johnmulu answered the question on February 3, 2017 at 12:00
- Describe how a pure sample of lead (II) sulphate can be prepared in the laboratory starting with lead metal(Solved)
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Date posted: February 3, 2017. Answers (1)
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Date posted: February 2, 2017. Answers (1)
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Date posted: February 2, 2017. Answers (1)
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Date posted: February 2, 2017. Answers (1)
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Date posted: February 2, 2017. Answers (1)
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Date posted: February 2, 2017. Answers (1)
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Date posted: February 2, 2017. Answers (1)
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a) Identify gas C1
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Date posted: February 2, 2017. Answers (1)
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Date posted: February 2, 2017. Answers (1)
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Date posted: February 2, 2017. Answers (1)
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Date posted: February 2, 2017. Answers (1)
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Date posted: February 2, 2017. Answers (1)
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Date posted: February 2, 2017. Answers (1)
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Date posted: February 2, 2017. Answers (1)
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Date posted: February 2, 2017. Answers (1)
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Date posted: February 2, 2017. Answers (1)
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Date posted: February 2, 2017. Answers (1)
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A crystal of iodine, heated gently in a test gave off a purple vapour.
a) Write the formula of the substance responsible for the purple vapour
b) What type of bond is broken when the iodine crystal is heated gently
c) state one use of iodine
Date posted: February 2, 2017. Answers (1)