5070/22

Chemistry 5070/22May/June 2017

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

10
questions
75
marks
90
minutes

Topics Acids, Bases and Salts · Stoichiometry · Experimental Techniques and Chemical Analysis · Atoms, Elements and Compounds · Organic Chemistry · Chemical Reactions · +6 more

Q15MThe Periodic TableExperimental Techniques and Chemical AnalysisAcids, Bases and SaltsAtoms, Elements and CompoundsFree sample

Choose from the following chlorides to answer the questions.

ammonium chloride
calcium chloride
carbon tetrachloride
copper(II) chloride
hydrogen chloride
magnesium chloride
zinc chloride

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

Which chloride

(a)

is a coloured solid,

______

1M
(b)

reacts with warm aqueous sodium hydroxide to produce a gas that turns damp red litmus paper blue,

______

1M
(c)

reacts with water to form a strong acid,

______

1M
(d)

contains a cation with a charge of +1,

______

1M
(e)

has a simple molecular structure similar to methane?

______

1M

The rest of this paper

9 more questions
  • Q2Atoms, Elements and Compounds8M
  • Q3Acids, Bases and Salts · Experimental Techniques and Chemical Analysis · Stoichiometry10M
  • Q4Atoms, Elements and Compounds · Electrochemistry · Acids, Bases and Salts6M
  • Q5Organic Chemistry · Acids, Bases and Salts · Stoichiometry8M
  • Q6Chemical Energetics · Chemical Reactions · Chemistry of the Environment8M
  • Q7Metals · Stoichiometry · Chemical Reactions · Experimental Techniques and Chemical Analysis10M
  • Q8Chemical Reactions · Chemical Energetics · Acids, Bases and Salts10M
  • Q9Organic Chemistry · Chemistry of the Environment · Stoichiometry · States of Matter10M
  • Q10Organic Chemistry · States of Matter10M
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