Apple juice is a type of citric acid so it would turn blue litmus paper redish.
Apple juice is slightly acidic and therefore red litmus will not change color.
whenever a litmus paper turns blue to red it means the solution is acidic this definitely means apple juice is acidic
Blue litmus paper would turn red in orange juice.
Dipping blue litmus paper in lemon juice is a chemical change. The acidic nature of lemon juice causes a chemical reaction with the blue litmus paper, turning it red. This change in color indicates a chemical transformation of the litmus paper due to the interaction with the acid in the lemon juice.
As orange juice being an acidic solution, it turns blue litmus into red.
Potato juice is typically neutral or slightly acidic, so if you test it with litmus paper, blue litmus paper will remain blue, and red litmus paper will remain red. This indicates that potato juice does not change the color of either type of litmus paper, reflecting its neutral pH.
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.
When red litmus paper is dipped in grapefruit juice, it typically remains red. This is because grapefruit juice is slightly acidic, and red litmus paper does not change color in acidic conditions. If the juice were alkaline, the paper would turn blue, but grapefruit juice does not have that property.
Staying red, because of the acidic properties of orange juice (pH < 4)
Litmus paper would turn red if apricot juice, which is acidic, was dropped on it. This is because litmus paper turns red in the presence of an acid.
Orange juice is acidic because it tastes sour and turns litmus paper red. The acidity is due to the presence of citric acid in the juice, which imparts the sour taste and causes the litmus paper to change color.
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