why does silica gel when dissolved in water gives pink colouration??

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why does silica gel when dissolved in water gives pink colouration??

2006-11-13 05:54:44 · 2 answers · asked by vignesh 1 in Science & Mathematics ➔ Chemistry

2 answers

Silica gel is white. Silica gel is insoluble in water.

2006-11-13 05:58:13 · answer #1 · answered by steve_geo1 7 · 0⤊ 0⤋

Silica gel should not give a pink color when added to water. First, it should not dissolve. You either have contaminated silica gel or something else, maybe a mixture containing silica gel. You might also have CoCl2 or CoSO4.

2006-11-13 13:59:19 · answer #2 · answered by Peter Boiter Woods 7 · 0⤊ 0⤋