Chemistry 5070/22 — May/June 2010
Cambridge O-Level · Theory · worked solutions for every part, with the mark scheme
10
questions
75
marks
90
minutes
Topics Stoichiometry · Acids, Bases and Salts · Organic Chemistry · Atoms, Elements and Compounds · Experimental Techniques and Chemical Analysis · Chemistry of the Environment · +6 more
Q16MChemistry of the EnvironmentAcids, Bases and SaltsThe Periodic TableOrganic ChemistryFree sample
Choose from the following compounds to answer the questions below.
BaSO₄
CH₄
C₂H₄
C₃H₈
CO₂
CaCO₃
CF₃Cl
K₂Cr₂O₇
MgSO₄
NaCl
ZnSO₄
Each compound can be used once, more than once or not at all.
Which compound
(a)1M
is responsible for ozone depletion,
______
(b)1M
is formed by the bacterial decay of vegetable matter,
______
(c)1M
is used to remove sulfur dioxide in flue gas desulfurisation,
______
(d)1M
is an insoluble salt,
______
(e)1M
is orange in colour,
______
(f)1M
decolourises aqueous bromine?
______
The rest of this paper
9 more questions- Q2The Periodic Table · Atoms, Elements and Compounds · Metals6M
- Q3Stoichiometry · Chemical Reactions · Experimental Techniques and Chemical Analysis · Acids, Bases and Salts11M
- Q4Atoms, Elements and Compounds · Electrochemistry10M
- Q5Organic Chemistry · Experimental Techniques and Chemical Analysis8M
- Q6Organic Chemistry4M
- Q7Chemistry of the Environment · Chemical Energetics · Stoichiometry · States of Matter · Acids, Bases and Salts · Atoms, Elements and Compounds10M
- Q8Organic Chemistry · Stoichiometry10M
- Q9Chemical Reactions · Stoichiometry · Experimental Techniques and Chemical Analysis10M
- Q10Acids, Bases and Salts · Stoichiometry · Experimental Techniques and Chemical Analysis · Atoms, Elements and Compounds · Chemistry of the Environment10M
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