REVISION C4 1st Half

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REVISIONC4 1st Half!
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CHEMPIG
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An acid can be neutralised by adding a ______ or
an ______ to it. An _______ is a soluble _______.
An alkali can be neutralised by adding an ______
to it. (5)ACID ALKALI BASE ALKALI BASE
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Sulfuric acid magnesium oxide ? ______
_______ (2)
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Hydrochloric acid Copper _____ ? _______
______ carbon dioxide (3)
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What ions are present in (i) all acids and (ii)
all alkalis. Use this information to show why
water is always formed. (3)
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What are the 3 main chemical elements that plants
need? (3)
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Why do plants need nitrogen and what can be added
to soil to increase the amount of these elements
are present? (2)
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Describe the process of eutrophication as 5 main
stages? (5)
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Which acid and base are needed to make the
following fertilisers ammonium sulfate and
ammonium. (4)
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Give a balanced symbol equation to represent the
Haber process and state what conditions are used.
(4)
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Haber process - Why is 450oC a compromise
temperature? (3)
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Haber process - Why is 200atm a compromise
pressure? (3)
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What happens to any unused reactants in the Haber
process? (1)