Final movie for KickStarter project. Video Rating: 5 / 5 Question by Akilesh – Internet Undertaker: Give the pH of the following substances. What color does pH paper turn on testing with these substances? 1) Lemon juice 2) Tomato juice 3) Apple juice 4) Washing soda solution I need the exact color. Best answer: Answer by Diane Blemon juice 2.3 Tomato juice 4.2 apple juice 2.9-3.3 washing soda solution What do you think? Answer below! Related Tomato Juice Articles