Conical flask measuring cylinders 15ml 25 ml 50ml 100ml 45 ml of hydrochloric acid 0 5 m 1 m 1 5 m 2 m 2 5 m 5 4g of calcium carbonate chip stand clamp boss head timer. Repeat the experiment with 20g of the same marble chip size and 20cm 3 of the acid made up to 40 using distilled water. Marble chips calcium carbonate caco 3 react with hydrochloric acid hcl to produce carbon dioxide gas.
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