Chemistry 5070/22 — October/November 2022
Cambridge O-Level · Theory · worked solutions for every part, with the mark scheme
9
questions
75
marks
90
minutes
Topics Stoichiometry · Chemical Reactions · Metals · Chemistry of the Environment · Atoms, Elements and Compounds · Acids, Bases and Salts · +6 more
Q15MChemical ReactionsMetalsChemistry of the EnvironmentThe Periodic TableFree sample
The diagram shows part of the Periodic Table.
Answer the following questions using only the symbols of the elements in the diagram.
Each symbol may be used once, more than once or not at all.
Give the symbol of the element that:
(a)1M
is a catalyst in the Haber process
______
(b)1M
is used to make food containers because of its resistance to corrosion
______
(c)1M
is about one percent by volume of dry air
______
(d)1M
is extracted from haematite
______
(e)1M
forms an ion with a charge of –2.
______
The rest of this paper
8 more questions- Q2Atoms, Elements and Compounds · Chemistry of the Environment · The Periodic Table · States of Matter9M
- Q3Organic Chemistry · Stoichiometry10M
- Q4Chemistry of the Environment · Acids, Bases and Salts · Stoichiometry · Chemical Energetics10M
- Q5Chemical Reactions · Experimental Techniques and Chemical Analysis · Electrochemistry · Atoms, Elements and Compounds · Metals11M
- Q6Chemistry of the Environment · Chemical Reactions · Chemical Energetics · Stoichiometry · Acids, Bases and Salts10M
- Q7Organic Chemistry10M
- Q8Atoms, Elements and Compounds · Metals · Stoichiometry · Acids, Bases and Salts10M
- Q9Stoichiometry · Chemical Reactions · Metals · Electrochemistry10M
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