Chemistry Unit C1 Worksheet - Study And Revision Pack (Foundation Paper) Page 14
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34Revised
C1 Specification
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3.1 Recall that hydrochloric acid is produced in the stomach to:
a help digestion
b kill bacteria
3.2 Describe indigestion remedies as containing substances that
neutralise excess stomach acid
3.3 Investigate the effectiveness of different indigestion remedies
3.4 Recall that acids are neutralised by:
a metal oxides
b metal hydroxides
c metal carbonates
to produce salts
3.5 Recall that:
a hydrochloric acid produces chloride salts
b nitric acid produces nitrate salts
c sulfuric acid produces sulfate salts
3.6 Describe electrolysis as a process in which electrical energy, from a
d.c. supply, decomposes compounds, by considering the electrolysis
of dilute hydrochloric acid to produce hydrogen and chlorine
3.7 Investigate the electrolysis of dilute hydrochloric acid
3.8 Describe the chemical test for hydrogen
3.9 Describe the chemical test for chlorine
Recall that chlorine can be obtained from sea water by electrolysis
3.11 Describe chlorine as a toxic gas and that this leads to potential
hazards associated with its large-scale manufacture
3.12 Describe the use of chlorine in the manufacture of bleach and of
the polymer poly(chloroethene) (PVC)
3.13 Recall that water can be decomposed by electrolysis to form
hydrogen and oxygen
3.14 Describe the chemical test for oxygen
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