2007-05-02 09:31:47 · 17 answers · asked by Anonymous in Arts & Humanities ➔ History
Blue and Red.
2007-05-02 09:35:37 · answer #1 · answered by hwhjr1987 4 · 0⤊ 1⤋
Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic (i.e. alkaline) conditions.
2007-05-02 09:35:44 · answer #2 · answered by ww2db 5 · 0⤊ 0⤋
Red or Blue. Red is for bases and Blue is for acids.
2007-05-02 09:40:36 · answer #3 · answered by infolvr 1 · 0⤊ 0⤋
Blue or Red? Just a guess.
2007-05-02 09:35:32 · answer #4 · answered by atneel 2 · 0⤊ 0⤋
a Ph test strip? ranges from yellow 5.0 all the way up to blue 9.0 depending on the acidic levels
2007-05-02 09:36:15 · answer #5 · answered by Frog-Leggs 3 · 0⤊ 0⤋
Blue and red.
2007-05-02 10:07:54 · answer #6 · answered by danielle 2 · 0⤊ 0⤋
Red and blue.
2007-05-02 09:39:01 · answer #7 · answered by Elizabeth Howard 6 · 0⤊ 0⤋
red and blue for acids and bases in testing for pH of substances
2007-05-02 11:34:43 · answer #8 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
red and blue
2007-05-02 09:38:48 · answer #9 · answered by Anonymous · 0⤊ 0⤋
blue and red
2007-05-02 09:36:18 · answer #10 · answered by Doug H 3 · 0⤊ 0⤋