Chemistry, 12.10.2020 22:01 connerwoodle8941
CHEMISTRY
(a) A list of compounds is shown.
aluminium oxide
calcium bromide
calcium oxide
ethane
ethene
hydrogen chloride
methane
nitrogen dioxide
potassium iodide
potassium manganate(VII)
sodium chloride
Answer the following questions using only the compounds in the list.
Each compound may be used once, more than once or not at all.
Which compound:
(i) when in acidified solution, is used to test for sulfur dioxide
[1]
(ii) is the main constituent of natural gas
[1]
(iii) when dissolved in water, gives a yellow precipitate on addition of acidified aqueous
silver nitrate
[1]
(iv) is used in flue gas desulfurisation to neutralise acidic gases
(1)
(v) is a reactant used in the manufacture of ethanol?
[1]
(b) What is the meaning of the term compound?
[2]
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CHEMISTRY
(a) A list of compounds is shown.
aluminium oxide
calcium bromide
calcium...
aluminium oxide
calcium bromide
calcium...
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