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Chemistry-mid yr-ch3
Chemistry words involving ocean
Question | Answer |
---|---|
What to use to test the presence of water in a sample? | Anhydrous Copper (II) sulphate Dry cobalt chloride paper |
Seawater -> (electrolysis) | hydrogen gas+ chlorine gas+ sodium hydroxide solution |
How can hydrogen be used? | To make margarine rocket fuel ammonia, fertilizers hydrochloric acid |
How can chlorine be used? | water sanitation bleach make plastics (Eg, PVC), solvents, pesticides |
How can sodium hydroxide be used? | aluminum extraction, make soup, treatment of acidic/heavy metal effluents from factories, paper industry |
Distillation | boiling of a solution followed by condensation of the vapour formed |