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jim items answered the question on November 23, 2018 at 17:55
- 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. Answers (1)
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Why is not advisable to grow vegetables especially sukuma week on roadside?
Date posted: November 16, 2018. Answers (1)
- 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. Answers (1)
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What is ionization energy?
Date posted: November 9, 2018. Answers (1)
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With reference to chlorine, distinguish between covalent bond and van der Waals forces.
Date posted: November 7, 2018. Answers (1)
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Outline four pustules with reference to Dalton's atomic theory
Date posted: October 26, 2018. Answers (1)
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Describe how Sulphur IV Oxide bleaches.
Date posted: October 23, 2018. Answers (1)
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Discuss the general clay colloids properties.
Date posted: October 19, 2018. Answers (1)
- 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. Answers (1)
- Explain how the following occurs by definition as learned in chemistry.
Exchangeable ions.
Exchangeable sodium percentage.(Solved)
Explain how the following occurs by definition as learned in chemistry.
Exchangeable ions.
Exchangeable sodium percentage.
Date posted: October 12, 2018. Answers (1)
- In details describe the following terms as used in physical and biological chemistry.
a)Base saturation percentage.
b)Bioaugmentation.
c)Cat clays.(Solved)
In details describe the following terms as used in physical and biological chemistry.
a)Base saturation percentage.
b)Bioaugmentation.
c)Cat clays.
Date posted: October 12, 2018. Answers (1)
- Explain titration process
(Solved)
Explain titration process
Date posted: October 8, 2018. Answers (1)
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List the main eleven soil materials as studied in soil chemistry.
Date posted: October 8, 2018. Answers (1)
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Explain why graphite is a poor conductor of electricity at high temperature
Date posted: October 8, 2018. Answers (1)
- Which of the following is a non metal that remains liquid at room temperature?
A. Phosphorous
B. Bromine
C. Chlorine
D. Helium(Solved)
The answer is B.
Bromine has boiling point of 58.78 and has -7.2 melting point
Date posted: September 30, 2018. Answers (1)
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Which gas in the air make Brass get discoloured when they react?
Date posted: September 30, 2018. Answers (1)
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State two main uses of sodium hypochlorite
Date posted: September 25, 2018. Answers (1)
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Describe how one can collect dry oxygen after preparation
Date posted: August 22, 2018. Answers (1)
- A student was provided with the following chemicals. Describe consecutively how to test presence of nitrates in sample solution (Solved)
A student was provided with the following chemicals
•4 cm^3 sample solutions in a test tube(KNO3)
•1M Sodium hydroxide
•Aluminium foil
•Source of heat
•Red and blue litmus paper
•Distilled water
Describe consecutively how to test presence of nitrates in sample solution
Date posted: August 22, 2018. Answers (1)
- Give two factors one should consider in siting carbonate manufacturing plant(Solved)
Give two factors one should consider in siting carbonate manufacturing plant
Date posted: August 22, 2018. Answers (1)