i) Making coffee cups
ii) Making surf boards
johnmulu answered the question on February 22, 2017 at 04:59
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Two organic compounds P and Q decolourise acidified potassium manganate (VII) solution, but only P reacts with sodium metal to give a colourless gas. Which homologous series does compound P belong? Give a reason.
Date posted: February 22, 2017. Answers (1)
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c) State another environmental problem caused by CFCs
Date posted: February 22, 2017. Answers (1)
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Date posted: February 22, 2017. Answers (1)
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(Solved)
Name the process that takes place when:
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Date posted: February 21, 2017. Answers (1)
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b) Hexane is a compound containing carbon and hydrogen. (Solved)
a) What is the name given to a compound that contains carbon and hydrogen only?
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Date posted: February 21, 2017. Answers (1)
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Date posted: February 21, 2017. Answers (1)
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Date posted: February 21, 2017. Answers (1)
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Date posted: February 21, 2017. Answers (1)
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Date posted: February 21, 2017. Answers (1)
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Date posted: February 21, 2017. Answers (1)
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Date posted: February 21, 2017. Answers (1)
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b) Give a reason why sodium is extracted using electrolysis
c) Give two reasons of sodium metal (Solved)
a) Name the raw material from which sodium is extracted.
b) Give a reason why sodium is extracted using electrolysis
c) Give two reasons of sodium metal
Date posted: February 21, 2017. Answers (1)
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One of the ores of copper has the formula, CuFeS2.
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b) State two environmental problems associated with extraction of copper metal
Date posted: February 21, 2017. Answers (1)
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Aluminium is both malleable and ductile
a) What is meant by?
i) Malleable
ii) Ductible
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i) Malleability
ii) Ductility
Date posted: February 21, 2017. Answers (1)
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Date posted: February 21, 2017. Answers (1)
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a) Coke
b) Limestone
c) Scrap iron.
Date posted: February 21, 2017. Answers (1)
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The basic raw material for extraction of aluminium is bauxite.
a) Name the method that is used to extract aluminium from bauxite
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c) i) Name two major impurities in bauxite
ii) Explain how the impurities in bauxite are removed
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Date posted: February 21, 2017. Answers (1)
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Date posted: February 21, 2017. Answers (1)