Question

What color on the pH paper indicates that an acid has formed?​

Answer 1

red

Blue litmus paper turns red under acidic condition

Step-by-step explanation:

Answer 2

Answer: Acidic Ph Levels: Lime green, yellow, orangle, and red

Explanation:

Alkaine Ph Levels: Purple, blue, and light green.

Neutral Ph Level: A bright green.

Acidic Ph Levels: Lime green, yellow, orangle, and red

Therefore, once the Ph paper indicates if the color is lime green, yellow, orangle, or red then that means it's acidic.

I hope this helps!