2007-02-02 05:39:32 · 3 answers · asked by Miss LaStrange 5 in Science & Mathematics ➔ Biology
It affects the oxidation level and makes it lighter or darker so that you can use it to set up a pH scale from 1 to 14.
2007-02-02 05:47:40 · answer #1 · answered by Robert N 2 · 1⤊ 0⤋
definite, water high quality will degrade with time and so the pH readings will exchange even nonetheless it relies upon on the classic of the water interior the 1st place and the accuracy which you relatively desire to realize. ideal to envision interior of 24 hours or refrigerate the pattern if it fairly is not functional.
2016-12-13 07:12:16 · answer #2 · answered by goslin 4 · 0⤊ 0⤋
It is redder in acid and purple in base. It does not change as much as red cabbage. It can cause beeturia though which is strange when you see red pee.
2007-02-02 05:50:10 · answer #3 · answered by science teacher 7 · 0⤊ 0⤋