-Temperature 4500C
-Catalyst Vanadium (V) oxide
-Pressure 2-3 atmospheres
john3 answered the question on November 9, 2017 at 09:07
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(b) Explain the meaning of the term ductility a property found in metals
Date posted: November 9, 2017. Answers (1)
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Date posted: November 9, 2017. Answers (1)
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b)Explain the observations made
Date posted: November 8, 2017. Answers (1)
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Date posted: November 8, 2017. Answers (1)
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Name the products of electrolysis of fused copper (II) chloride using carbon electrodes.
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(ii) Cathode
Explain
Date posted: November 8, 2017. Answers (1)
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Explain(Solved)
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Explain
Date posted: November 8, 2017. Answers (1)
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Date posted: November 8, 2017. Answers (1)
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Date posted: November 8, 2017. Answers (1)
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Date posted: November 8, 2017. Answers (1)
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Date posted: November 8, 2017. Answers (1)
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Date posted: November 8, 2017. Answers (1)
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Date posted: November 8, 2017. Answers (1)
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Date posted: November 8, 2017. Answers (1)
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When anhydrous Calcium Chloride is exposed to the atmosphere, it forms a solution.
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Date posted: November 8, 2017. Answers (1)
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Two carbon electrodes were placed in a flask containing 50cm3
of 0.1 M barium hydroxide solution and connected in series
with the 12 volt supply of direct current electricity and a lamp.
1.0M sulphuric acid was slowly run into the solution from a burette until neutralization occurred.
a) What would you see in the flask when the first few drops of acid are added?
b) At the neutrality point, the lamp ceases to glow, explain why?
c) What would you see if more 1.0 M sulphuric acid were now added
Date posted: November 8, 2017. Answers (1)
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Water was added to lead (II) nitrate by a student. She divided the resulting solution into four, state the observation made after
subjecting them to the following tests:
i) To the first portion she added sodium hydroxide dropwise until in excess. (1 mark)
ii) To the second portion she added ammonia solution dropwise until in excess. (1mark)
iii) the third portion she added hydrochloric acid and warm. (1 mark)
iv) To the last portion she added sodium iodide solution
Date posted: November 8, 2017. Answers (1)
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Date posted: November 8, 2017. Answers (1)