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Litimus Paper. Or beetroot juice.
its a piece of paper that turns red when it is acid and when it is blue
Vivic
Acidic substances turn blue litmus red
acid turn litmus into red.Base turn litmus into blue
Tomato sauce is an acid. When tested with blue litmus paper, it turns red, indicating that it is an acid.
Red color in acidic solutions and blue color in basic solutions.
Could be all that ammonia in the filtrate. Ammonia is a weak base.
The litmus paper turns Orange. Because it has a pH of 4 so it's orange. :)
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.
Which is more accurate- the pH paper or the red cabbage juice and why?
Put them in a paper bag.