To prevent catalyst poisoning
Mr Masinde answered the question on May 5, 2018 at 09:25
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Date posted: May 5, 2018. Answers (1)
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In the last stage of the solvay process, a mixture of sodium hydrogen carbonate and ammonium chloride is formed.
i.) State the method of separation used.
ii.) Write an equation showing how lime is slaked.
iii.) Name the by-product recycled in the above process.
Date posted: May 2, 2018. Answers (1)
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Sodium carbonate is manufactured by the solvay process.
a.) State two gases recycled in the process.
b.) Explain how sodium carbonate can be distinguished from sodium hydrogen carbonate.
Date posted: May 2, 2018. Answers (1)
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Solvay process is used to manufacture sodium carbonate.
a.) Name two raw materials.
b.) How is sodium carbonate obtained from sodium hydrogen carbonate.
c.) Name two main substances that are recycled.
Date posted: May 2, 2018. Answers (1)
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Copper II sulphate was made to undergo electrolysis using graphite electrodes.
a.) What is electrolysis.
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c.) Write the equation for the reaction that took place at the anode.
Date posted: May 2, 2018. Answers (1)
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Date posted: May 2, 2018. Answers (1)
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a.) Name the process used to separate two solids both soluble in the same solvent when the solids are both present in the mixture.
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Date posted: May 2, 2018. Answers (1)
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Date posted: May 2, 2018. Answers (1)
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Date posted: May 2, 2018. Answers (1)
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Date posted: May 1, 2018. Answers (1)
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In an attempt to prepare sulphur (IV) oxide gas, dilute sulphuric (VI) acid was reacted with calcium sulphate. The yield of sulphur (IV) oxide was found to be negligible. Explain.
Date posted: May 1, 2018. Answers (1)
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Describe how a sample of magnesium carbonate can be prepared using the following agents.
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Date posted: May 1, 2018. Answers (1)
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. dilute nitric (V) acid
. solid lead (II) carbonate
. dilute...(Solved)
Describe how a solid sample of lead (II) sulphate would be prepared using the following reagents.
. dilute nitric (V) acid
. solid lead (II) carbonate
. dilute sulphuric (VI) acid
Date posted: May 1, 2018. Answers (1)
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Date posted: May 1, 2018. Answers (1)
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A solution of tetrachloromethane burns colourless when propene gas is bubbled through it. What type of reaction takes place?
Date posted: May 1, 2018. Answers (1)
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Date posted: April 30, 2018. Answers (1)
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Date posted: April 26, 2018. Answers (1)