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14in Soda acid fire extinguisher HCl is put in a cube and is reacted with sodium hydrogen carbonate when it reacts with sodium hydrogen carbonate carbon dioxide is released which has the fire extinguisher
15 copper vessel is cleaned with lemon because when lemon reacts with copper to form copper salt which is easy to remove from the copper sulphate as lemon contain citric acid acid react with metal to form salt and water
15 copper vessel is cleaned with lemon because when lemon reacts with copper to form copper salt which is easy to remove from the copper sulphate as lemon contain citric acid acid react with metal to form salt and water
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