Why salt turns blue when added to lemon juise?
Salt turns blue when added to lemon juice because it has iodine inside it. When lemon juice is added to iodine, it changes colour.
I am doing a science lab with my class where different liquids are added to cabbage juice. If the mixture remains purple, the liquid was a neutral. If it turns blue, it was a base, and if it turns red, it was an acid. Because this is for elementary students, they will be testing mild acids like orange juice, lemon juice, tomato juice, etc.
acid sour in taste corrosive in nature turns blue and red litmus to red turns phenolphthalein from colourless to colourless turns methyl orange to red turns pH paper to red(strong acid) and orange(weak acid) with pH value below 7(7-weak 1-strong) releases H+ ions when added in water. it burns base bitter in taste soapy in nature turns red and blue litmus blue turns phenolphthalene pink turns methyl orange yellow turns pH paper to blue(weak base)…