It is oduorless,tasteless and colourless gas.
It is slightly soluble in water.
It does not burn nor support combustion.
Is less dense than air.
Mr Masinde answered the question on May 10, 2018 at 16:10
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Describe the process of obtaining nitrogen gas from air by fractional distillation of liquid air
(Solved)
Describe the process of obtaining nitrogen gas from air by fractional distillation of liquid air.
Date posted:
May 10, 2018
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Answers (1)
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Using chemical equations, describe the process of producing nitric acid.
(Solved)
Using chemical equations, describe the process of producing nitric acid.
Date posted:
May 5, 2018
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Answers (1)
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What is Ostwald process?
(Solved)
What is Ostwald process?
Date posted:
May 5, 2018
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Answers (1)
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What is the major source of hydrogen in the Haber process?
(Solved)
What is the major source of hydrogen in the Haber process?
Date posted:
May 5, 2018
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Answers (1)
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State the required conditions in the Haber process
(Solved)
State the required conditions in the Haber process.
Date posted:
May 5, 2018
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Answers (1)
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Name the major raw materials in the Haber Process.
(Solved)
Name the major raw materials in the Haber Process.
Date posted:
May 5, 2018
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Answers (1)
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Using chemical equations, describe the summary of contact process.
(Solved)
Using chemical equations, describe the summary of contact process.
Date posted:
May 5, 2018
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Answers (1)
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Write the chemical equation for reaction that takes place in the absorption tower in the contact process
(Solved)
Write the chemical equation for reaction that takes place in the absorption tower in the contact process.
Date posted:
May 5, 2018
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Answers (1)
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Why is low temperature applied during sulphur dioxide and oxygen reaction in the contact process?
(Solved)
Why is low temperature applied during sulphur dioxide and oxygen reaction in the contact process?
Date posted:
May 5, 2018
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Answers (1)
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Why is the purification of the air and sulfur dioxide necessary during the contact process?
(Solved)
Why is the purification of the air and sulfur dioxide necessary during the contact process?
Date posted:
May 5, 2018
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Answers (1)
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Outline the five major processes of the contact process in the production of sulphuric acid
(Solved)
Outline the five major processes of the contact process in the production of sulphuric acid.
Date posted:
May 5, 2018
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Answers (1)
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Write two ionic equations to show aluminium hydroxide as amphoteric
(Solved)
Write two ionic equations to show aluminium hydroxide as amphoteric
Date posted:
May 4, 2018
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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.
(Solved)
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
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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...
(Solved)
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
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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...
(Solved)
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
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Answers (1)
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Copper II sulphate was made to undergo electrolysis using graphite electrodes. (a.) What is electrolysis. (b.) State the observation made at the cathode.c.) Write the equation for...
(Solved)
Copper II sulphate was made to undergo electrolysis using graphite electrodes.
a.) What is electrolysis.
b.) State the observation made at the cathode.
c.) Write the equation for the reaction that took place at the anode.
Date posted:
May 2, 2018
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Answers (1)
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Describe a chemical test that can be used to distinguish between sodium carbonate and sodium hydrogen carbonate.
(Solved)
Describe a chemical test that can be used to distinguish between sodium carbonate and sodium hydrogen carbonate.
Date posted:
May 2, 2018
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Answers (1)
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Define the following terms: (i.) Hygroscopy (ii.) Efflorescence
(Solved)
Define the following terms:
i.) Hygroscopy
ii.)Efflorescence
Date posted:
May 2, 2018
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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 (b.) Sodium...
(Solved)
a.) Name the process used to separate two solids both soluble in the same solvent when the solids are both present in the mixture.
b.) Sodium chloride is neither deliquescent nor hygroscopic. Explain why common salt left on a table overnight becomes wet.
Date posted:
May 2, 2018
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Answers (1)
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Starting from calcium carbonate, describe how a solid sample of calcium sulphate can be prepared.
(Solved)
Starting from calcium carbonate, describe how a solid sample of calcium sulphate can be prepared.
Date posted:
May 2, 2018
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Answers (1)