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13 Cards in this Set
- Front
- Back
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what's electrolysis |
using electrical energy from a dc supply to decompose compounds |
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how are acids neutralised |
metal oxides, metal hydroxides, metal carbonate |
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what do indigestion remedies do |
they are antacids that contain based which neutralise excess stomach acid |
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what's the test for oxygen |
relights a glowing splint in a test tube |
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what's the test for chlorine |
hold damp blue litmus paper in test tube and chlorine will then red then whore |
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what does hydrochloric acid in the stomach do |
helps indigestion and kills bacteria |
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uses of chlorine |
1) treat our water supply 2) manufacturing bleach and cleaning products 3) manufacturing plastics (PVC) |
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why does chlorine cause damage |
it's toxic and this leads to potential hazards associated with its large scale manufacture |
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how do we obtain chlorine |
through the electrolysis of sea water |
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how do antacids help |
they neutralise the stomach by raising the PH |
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what's a base dissolved in water |
an alkali |
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what's the test for hydrogen |
if lit splint explodes with squeaky pop |
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what's the test for carbon dioxide |
limewater goes milky or cloudy |
