Chemistry 5070/22 — October/November 2016
Cambridge O-Level · Theory · worked solutions for every part, with the mark scheme
Topics Stoichiometry · Atoms, Elements and Compounds · Organic Chemistry · Experimental Techniques and Chemical Analysis · Metals · Acids, Bases and Salts · +5 more
Choose from the following compounds to answer the questions below.
BaCl₂
C₂H₄
C₃H₄
C₃H₈
CO
CO₂
K₂SO₄
Na₃PO₄
SO₂
ZnSO₄
Each of these compounds can be used once, more than once or not at all.
Give a compound which
is an acidic atmospheric pollutant from volcanic eruptions,
______
is a saturated hydrocarbon,
______
dissolves in water to form an aqueous solution which gives a white precipitate on addition of aqueous sodium hydroxide,
______
reduces iron(III) oxide to iron in the blast furnace,
______
contributes to the process of eutrophication.
______
The rest of this paper
9 more questions- Q2Stoichiometry · Experimental Techniques and Chemical Analysis · Acids, Bases and Salts5M
- Q3Organic Chemistry · Chemistry of the Environment11M
- Q4Chemical Reactions · Atoms, Elements and Compounds · The Periodic Table8M
- Q5Stoichiometry · Atoms, Elements and Compounds · Acids, Bases and Salts10M
- Q6Atoms, Elements and Compounds · The Periodic Table · Metals6M
- Q7Chemical Reactions · Atoms, Elements and Compounds · Stoichiometry10M
- Q8Chemical Energetics · Organic Chemistry · The Periodic Table · Stoichiometry10M
- Q9Metals · Atoms, Elements and Compounds · Electrochemistry · Stoichiometry10M
- Q10Acids, Bases and Salts · Experimental Techniques and Chemical Analysis · Stoichiometry · Electrochemistry10M