Red, showing that the solution is acidic.
As orange juice being an acidic solution, it turns blue litmus into red.
It would remain red, red litmus paper only reacts to blue in the presence of a base. Lemon juice is acidic and thus wouldn't turn the paper a color. If blue litmus paper was used in the lemon juice it would turn red. Consequently dipping blue litmus paper in a base won't change the color because it does not react with bases, only acids.
Red/Orange because OJ is acidic.
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.
It is an acidic juice, like all fruit juices.[Calamsi is variously known as acid orange, calamondin orange, Chinese Orange or Panama orange]
Blue litmus paper would turn red in orange juice.
As orange juice being an acidic solution, it turns blue litmus into red.
Litmus paper turn to red color.
Red
Red, due to the citric acid.
Orange juice is acidic.
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orange
Apple juice is a type of citric acid so it would turn blue litmus paper redish.
orange
blue
It would remain red, red litmus paper only reacts to blue in the presence of a base. Lemon juice is acidic and thus wouldn't turn the paper a color. If blue litmus paper was used in the lemon juice it would turn red. Consequently dipping blue litmus paper in a base won't change the color because it does not react with bases, only acids.