Chemistry 5070/21 — May/June 2011

Cambridge O-Level · Theory · worked solutions for every part, with the mark scheme

questions

marks

minutes

Topics Chemical Reactions · Acids, Bases and Salts · Stoichiometry · Experimental Techniques and Chemical Analysis · Chemistry of the Environment · Organic Chemistry · +6 more

Q17MChemical ReactionsExperimental Techniques and Chemical AnalysisAcids, Bases and SaltsChemistry of the EnvironmentOrganic ChemistryFree sample

Choose from the following formulae to answer the questions below.

AgI
$\text{C}_2\text{F}_3\text{Cl}_3$
$\text{CH}_4$
$\text{C}_3\text{H}_6$
$\text{C}_6\text{H}_6$
$\text{CuCl}_2$
$\text{K}_2\text{Cr}_2\text{O}_7$
KI
$\text{MnO}_2$
$(\text{NH}_4)_2\text{SO}_4$
$\text{V}_2\text{O}_5$
$\text{ZnSO}_4$

Each formula can be used once, more than once, or not at all.

Which is the formula of a compound that

(a)

is a catalyst in the Contact process,

______

(b)

in aqueous solution reacts with aqueous sodium hydroxide to give a white precipitate that redissolves in excess sodium hydroxide,

______

(c)

is an insoluble salt,

______

(d)

is involved in ozone depletion in the upper atmosphere,

______

(e)

in aqueous solution will react with aqueous barium chloride to make a white precipitate,

______

(f)

is an alkane,

______

(g)

is used as a fertiliser?

______

The rest of this paper

8 more questions

Q2Chemical Reactions · Acids, Bases and Salts · The Periodic Table · Experimental Techniques and Chemical Analysis · Stoichiometry8M
Q3Atoms, Elements and Compounds · Stoichiometry · Chemical Reactions · Metals9M
Q4Atoms, Elements and Compounds · States of Matter · Chemical Reactions · Experimental Techniques and Chemical Analysis11M
Q5Chemistry of the Environment10M
Q6Electrochemistry · Metals10M
Q7Organic Chemistry10M
Q8Chemical Reactions · Chemical Energetics · Stoichiometry · Acids, Bases and Salts10M
Q9Acids, Bases and Salts · Stoichiometry · Chemical Reactions10M

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