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Coffee is generally acidic, thus the blue litmus paper will turn red. However, the pH of coffee can vary depending on the kind. Dark roasted coffees tend to be more alkaline and the blue litmus paper may stay blue when dipped.
Draino turns litmus paper blue.
Red litmus paper turns blue in a basic solution. There is no effect on blue litmus paper.
calcium hydroxide turn red litmus paper into blue because it is a base. it does not have any effect on blue litmus paper.
Lemon juice is an acid therefore, it turns blue litmus paper red and red litmus paper remains red
Blue litmus paper turns red in an acid and remains blue in a base such as sodium hydroxide. Red litmus paper would turn blue in the base sodium hydroxide.
Litmus paper is an indicator that changes color when affected by the pH of certain chemicals. There are two colors to test the general pH of a solution. Alkaline solutions (bases) turn red litmus paper blue. Acidic solutions (acids) turn blue litmus paper red.
litmus color changes into blue.
Ammonia turns red litmus paper blue, but does not have any effect on blue litmus parer, since it is a base.
yes a blue litmus paper turns red when put into an acid
It turns blue
It turns blue!