Chemistry 5070/22 — October/November 2012
Cambridge O-Level · Theory · worked solutions for every part, with the mark scheme
Topics Acids, Bases and Salts · Experimental Techniques and Chemical Analysis · Stoichiometry · Atoms, Elements and Compounds · Chemistry of the Environment · Organic Chemistry · +6 more
Define the term compound.
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Choose from the following compounds to answer the questions below.
calcium carbonate
carbon dioxide
carbon monoxide
ethane
glucose
methane
propane
sodium oxide
sucrose
water
zinc oxide
Each compound can be used once, more than once or not at all.
Which compound
is a product of fermentation,
______
reacts with both hydrochloric acid and aqueous sodium hydroxide,
______
reacts with hydrochloric acid to form a gas which turns limewater milky,
______
is formed by the thermal decomposition of limestone,
______
is a hydrocarbon formed by the bacterial decay of vegetable matter,
______
is a product of the incomplete combustion of a hydrocarbon?
______
Draw a ‘dot-and-cross’ diagram for a molecule of water.
Show only the outer shell electrons.
The rest of this paper
8 more questions- Q2Metals · Stoichiometry · Atoms, Elements and Compounds6M
- Q3Chemical Reactions · Chemical Energetics10M
- Q4Chemistry of the Environment · Acids, Bases and Salts · Experimental Techniques and Chemical Analysis · Stoichiometry · Organic Chemistry9M
- Q5States of Matter · Chemical Reactions · Experimental Techniques and Chemical Analysis · Stoichiometry · Electrochemistry · Metals11M
- Q6Chemical Reactions · Acids, Bases and Salts · Experimental Techniques and Chemical Analysis · The Periodic Table · Atoms, Elements and Compounds · Stoichiometry10M
- Q7Atoms, Elements and Compounds · States of Matter10M
- Q8Chemistry of the Environment · Stoichiometry · Acids, Bases and Salts · Experimental Techniques and Chemical Analysis10M
- Q9Chemistry of the Environment · Organic Chemistry · Acids, Bases and Salts10M