What Colour does litmus paper change to when it is dipped in an acid?
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Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F). Neutral litmus paper ispurple.
vishalv14dec2005:
red
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when the blue Litmus Paper dipped into an acid the colour of Litmus Paper is red
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