| Front | What colour does an acid turn blue litmus paper and methyll orange indicator |
| Back | - Litmus paper turns red and methyll orange turns red |
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| Front | Define Oxidation in terms of oxygen |
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| Front | What is an electrolyte |
| Back | A liquid or solution that conducts electricity and decomposes into its elements simultanoeusly i.e molten salt in water or solution of an acid/alkali |
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