A green-y yellow.
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.
it turns acidic or very basic
When dipped in lemon juice, pH paper typically turns red or pink. This indicates that the lemon juice is acidic.
As orange juice being an acidic solution, it turns blue litmus into red.
Milk of magnesia is chemically known as magnesium hydroxide. Although this compound isn't very water soluble, the small amount that does dissolve acts as a base. Thus, milk of magnesia is somewhat basic, and litmus paper would turn blue if exposed to it. Nice....
Red
blue
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.
Lemon juice contains citric acid so blue litmus paper dipped in lemon juice will turn red indicating that it is acidic.
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.
Otgfcch
Lemon juice is an acid and blue litmus paper turns red when dipped in an acidic liquid.
Litmus is a dye extracted from lichens, a plant. Upon addition of acid, litmus turns red whilst on addition of base, litmus turns blue. Being acidic, containing citric acid, lemon juice is expected to turn violet litmus paper red.
it turns acidic or very basic
blue
As Lemon Juice is an Acid, the colour of the Red Litmus Paper will stay the same.
Lemon juice contains citric acid so blue litmus paper dipped in lemon juice will turn red indicating that it is acidic.Blue litmus paper become red in acidic solutions (lemon juice contain citric acid).