Chemistry 5070/22 — October/November 2020
Cambridge O-Level · Theory · worked solutions for every part, with the mark scheme
Topics Atoms, Elements and Compounds · Stoichiometry · Acids, Bases and Salts · Chemical Reactions · Organic Chemistry · States of Matter · +6 more
Choose from the following compounds to answer these questions.
aluminium sulfate
ammonia
calcium carbonate
carbon dioxide
chlorofluorocarbons
copper(II) sulfate
hydrogen chloride
potassium nitrate
sodium chloride
Each compound may be used once, more than once or not at all.
Which compound:
is a gas which dissolves in water to form an alkaline solution
______
is an anhydrous solid which is used to test for water
______
contains ions with a 3+ charge
______
is a solid used in flue gas desulfurisation
______
causes eutrophication?
______
The rest of this paper
8 more questions- Q2Atoms, Elements and Compounds · Electrochemistry · Stoichiometry12M
- Q3States of Matter · Experimental Techniques and Chemical Analysis · Chemical Reactions · Organic Chemistry10M
- Q4Chemistry of the Environment · Metals · The Periodic Table · Stoichiometry · Electrochemistry · Organic Chemistry10M
- Q5Organic Chemistry8M
- Q6Acids, Bases and Salts · Metals · Chemical Reactions · Organic Chemistry · States of Matter10M
- Q7Metals · Chemical Energetics · Chemical Reactions · Stoichiometry · Atoms, Elements and Compounds10M
- Q8Stoichiometry · Acids, Bases and Salts · Atoms, Elements and Compounds · States of Matter10M
- Q9Atoms, Elements and Compounds · Chemical Reactions · Stoichiometry · Acids, Bases and Salts10M