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Soda acid fire extinguishers contains :a) sodium carbonate B) sodium hydrogen carbonate ,sulphuric acid C) sodium carbonate, hydrochloric acid D )sodium hydrogen carbonate, hydrochloric acid |
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Answer» Soda acid fire extinguishers contains :a) sodium carbonate B) sodium hydrogen carbonate ,sulphuric acid C) sodium carbonate, hydrochloric acid D )sodium hydrogen carbonate, hydrochloric acid |
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