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13 Cards in this Set
- Front
- Back
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What is Brine? |
Salt Water |
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What is electrolysis? |
The splitting up of compounds using electricity |
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What are the products formed by the electrolysis of Sodium Chloride? |
Sodium Hydroxide, Chlorine and Hydrogen |
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Give three uses of chlorine |
Make pesticides, CFC's and Aerosols, Kill harmful bacteria in water, Make plastics such as PVC, Make bleach |
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What product is formed at the anode? |
Chlorine |
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What product is formed at the cathode? |
Hydrogen |
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What happens to the Sodium after electrolysis? |
It remains in solution as Sodium Hydroxide |
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Why is hydrogen gas produced? |
Sodium is more reactive than hydrogen so it remains in solution |
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What is Sodium Hydroxide used for? |
Making soap, paper and bleach |
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What product of this reaction is used to make margerine? |
Hydrogen |
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2NaCl + 2H20 → 2NaOH + ...... + ........ |
H2 + Cl2 |
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What are the four ions involved in this process? |
Na+ , Cl- , OH- , H+ |
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What type of reaction is: 2H+ + 2e- → H2 |
Reduction |
