Chemistry 5070/21 — May/June 2013
Cambridge O-Level · Theory · worked solutions for every part, with the mark scheme
Topics Acids, Bases and Salts · Chemical Reactions · Stoichiometry · Atoms, Elements and Compounds · Experimental Techniques and Chemical Analysis · Organic Chemistry · +5 more
Choose from the following compounds to answer the questions below.
butane
calcium carbonate
carbon dioxide
copper(II) nitrate
iron(II) hydroxide
iron(III) hydroxide
propene
sodium chloride
sulfur dioxide
sulfuric acid
Each compound can be used once, more than once or not at all.
Name a compound which
is a green solid,
______
is a saturated hydrocarbon,
______
has a molecule with only 9 atoms,
______
can be used to reduce the acidity in lakes,
______
will turn aqueous acidified potassium dichromate(VI) from orange to green,
______
can be electrolysed in aqueous solution to form two gases.
______
The rest of this paper
9 more questions- Q2Chemistry of the Environment · Chemical Energetics9M
- Q3Acids, Bases and Salts · Stoichiometry9M
- Q4Atoms, Elements and Compounds6M
- Q5Stoichiometry · The Periodic Table · Chemical Reactions · Experimental Techniques and Chemical Analysis9M
- Q6Atoms, Elements and Compounds · Stoichiometry · Acids, Bases and Salts6M
- Q7Acids, Bases and Salts · Stoichiometry · Chemical Reactions · Metals10M
- Q8Organic Chemistry · Acids, Bases and Salts10M
- Q9Chemical Reactions · Chemical Energetics10M
- Q10Electrochemistry · Chemical Reactions · Atoms, Elements and Compounds · Stoichiometry · Acids, Bases and Salts10M