Question

Blue litmus will change to red in
a. Lemon juice
b. Orange juice
c. Vinegar
d. All of above​

Answer 1

Answer:

D All of the above beacuse all are acid

Answer 2

Answer:

all of the above

Explanation:

The main use of litmus is to test whether a solution is acidic or basic, as 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).