📝 Topic 7: Acids, Bases and Salts
Question 4a(i)
1 marks
State the formula of the common cation produced when acids dissociate in water.
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Question 4a(ii)
2 marks
Explain why nitric acid is strong and ethanoic acid is weak.
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Question 4a(iii)
1 marks
State which of the three dilute acids will have the highest pH value.
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Question 4a(iv)
1 marks
State the colour of thymolphthalein in all three dilute acids.
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Question 4a(v)
2 marks
Give formula of anion formed when sulfuric acid and ethanoic acid dissociate.
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Question 4a(vi)
2 marks
Name two gaseous products formed during electrolysis of dilute sulfuric acid.
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Question 4a(vii)
1 marks
Name the salt formed when calcium reacts with ethanoic acid.
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Question 4b(i)
1 marks
Define the term base.
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Question 4b(ii)
1 marks
State what this tells you about solubility of Al(OH)3.
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Question 4b(iii)
1 marks
Name one other compound which forms aluminium nitrate with dilute nitric acid.
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Question 4b(iv)
2 marks
Determine oxidation number of N atoms in Al(NO3)3. Show working.
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