It decomposes readly and condenses at the top of the tube.Hence it sublimes on heating
Nchoga answered the question on December 12, 2018 at 11:09
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Crystals of sodium carbonate decahydrate were exposed to air for about four days
1. State what was observed
2. Name the process that took place
3....
(Solved)
Crystals of sodium carbonate decahydrate were exposed to air for about four days
1. State what was observed
2. Name the process that took place
3. Write an equation for the reaction that occurred
Date posted:
December 11, 2018
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Answers (1)
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State the uses of ammonia
(Solved)
State the uses of ammonia.
Date posted:
December 7, 2018
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Answers (1)
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Name the type of bond and structure formed between the reaction of boron and fluorine
(Solved)
Name the type of bond and structure formed between the reaction of boron and fluorine.
Date posted:
December 6, 2018
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Answers (1)
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When a few drops of potassium permanganate are added to an aqueous solution of ferrous sulphate, solution turns brown. On the other hand, when the...
(Solved)
When a few drops of potassium permanganate are added to an aqueous solution of ferrous sulphate, solution turns brown. On the other hand, when the test is repeated using sodium molybdate instead of potassium permanganate no similar colour change is observed.
Date posted:
November 29, 2018
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Answers (1)
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What state is foam in?
(Solved)
What state is foam in?
Date posted:
November 28, 2018
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Answers (1)
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Define the term soil acidity as studied in soil chemistry.
(Solved)
Define the term soil acidity as studied in soil chemistry.
Date posted:
November 27, 2018
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Answers (1)
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What are the ingredients used to make soap?
(Solved)
What are the ingredients used to make soap?
Date posted:
November 21, 2018
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Answers (1)
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What is the process by which Aluminium reduces Iron(III)oxide?
(Solved)
What is the process by which Aluminium reduces Iron(III)oxide?
Date posted:
November 19, 2018
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Answers (1)
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What is the chemical equation of Copper II oxide burned in presence of dry carbon monoxide.
(Solved)
What is the chemical equation of Copper II oxide burned in presence of dry carbon monoxide.
Date posted:
November 17, 2018
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Answers (1)
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Why is not advisable to grow vegetables especially sukuma week on roadside?
(Solved)
Why is not advisable to grow vegetables especially sukuma week on roadside?
Date posted:
November 16, 2018
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Answers (1)
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Explain why the ionic radius of potassium is greater than that of sodium
(Solved)
Explain why the ionic radius of potassium is greater than that of sodium.
Date posted:
November 14, 2018
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Answers (1)
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What is ionization energy?
(Solved)
What is ionization energy?
Date posted:
November 9, 2018
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Answers (1)
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With reference to chlorine, distinguish between covalent bond and van der Waals forces
(Solved)
With reference to chlorine, distinguish between covalent bond and van der Waals forces.
Date posted:
November 7, 2018
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Answers (1)
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Outline four pustules with reference to Dalton's atomic theory
(Solved)
Outline four pustules with reference to Dalton's atomic theory
Date posted:
October 26, 2018
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Answers (1)
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Describe how Sulphur IV Oxide bleaches
(Solved)
Describe how Sulphur IV Oxide bleaches.
Date posted:
October 23, 2018
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Answers (1)
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Discuss the general clay colloids properties.
(Solved)
Discuss the general clay colloids properties.
Date posted:
October 19, 2018
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Answers (1)
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Discuss the eight main steps a form four student ought to follow when determining the concentration of an acid using a known base in the...
(Solved)
Discuss the eight main steps a form four student ought to follow when determining the concentration of an acid using a known base in the lab.
Date posted:
October 13, 2018
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Answers (1)
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List the main eleven soil materials as studied in soil chemistry.
(Solved)
List the main eleven soil materials as studied in soil chemistry.
Date posted:
October 8, 2018
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Answers (1)
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Explain why graphite is a poor conductor of electricity at high temperature
(Solved)
Explain why graphite is a poor conductor of electricity at high temperature
Date posted:
October 8, 2018
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Answers (1)
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Which gas in the air make Brass get discoloured when they react?
(Solved)
Which gas in the air make Brass get discoloured when they react?
Date posted:
September 30, 2018
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Answers (1)