Chemistry 5070/22 — May/June 2022

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

questions

marks

minutes

Topics Stoichiometry · Acids, Bases and Salts · Atoms, Elements and Compounds · Chemical Reactions · Organic Chemistry · The Periodic Table · +6 more

Q16MChemical ReactionsAcids, Bases and SaltsThe Periodic TableAtoms, Elements and CompoundsFree sample

Choose from the following compounds to answer the questions.

$\text{AgCl}$
$\text{Ba(NO}_3)_2$
$\text{KI}$
$\text{KMnO}_4$
$\text{K}_2\text{SO}_3$
$\text{Mg(NO}_3)_2$
$\text{Na}_2\text{CO}_3$
$\text{Na}_3\text{N}$
$\text{NH}_4\text{Cl}$
$\text{ZnSO}_4$

Each compound may be used once, more than once or not at all.

State which compound:

(a)

is purple in colour

______

(b)

reacts with aqueous sodium sulfate to form a white precipitate

______

(c)

reacts with aqueous chlorine to give a brown solution

______

(d)

is prepared using a precipitation reaction

______

(e)

contains an anion with a charge of –3

______

(f)

is used to test for a reducing agent.

______

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9 more questions

Q2Atoms, Elements and Compounds · The Periodic Table · States of Matter · Stoichiometry · Acids, Bases and Salts10M
Q3Organic Chemistry · Acids, Bases and Salts7M
Q4Atoms, Elements and Compounds8M
Q5Chemical Reactions · Chemical Energetics · Organic Chemistry7M
Q6Stoichiometry · Metals · Experimental Techniques and Chemical Analysis7M
Q7Chemistry of the Environment · Chemical Reactions · Chemical Energetics10M
Q8Metals · Atoms, Elements and Compounds · Electrochemistry · Stoichiometry10M
Q9Organic Chemistry · Stoichiometry10M
Q10Stoichiometry · Acids, Bases and Salts · Experimental Techniques and Chemical Analysis · Chemistry of the Environment10M

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