second week in the chemistry lab with a whole new series of natural indicators.




From left to right (acidic to alkaline): hydochloric acid, nitric acid, sulphuric acid, ethanoic acid, distilled water, aqueous ammonia, aqueous sodium chloride, aqueous calcium chloride

i’m aware that this is boring but i swear it’s the most interesting thing we do in school now. till the june holidays.

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