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turns blue
Try it out and see what happens
You clean it up with a wet paper towel
When you put lemon juice on a piece of paper, then place the paper on a heat source, the parts soaked with the juice will burn faster and turn a dark brown. This chemical reaction is based upon the properties that define acids and bases. The paper with the acid lemon juice is weakened by the acid, and will burn faster.
im pretty sure grapefruit is an acid, so it would turn litmus paper red.
You can use litmus paper to check whether a liquid is an acid or base Methyl orange, turmeric paper, beetroot juice, phenolphthalein can also be used
You will have made a pH indicator. Just like litmus paper.
in neutral solutions ph paper turns to blue!
A moist litmus paper does not change its colour in neutral solutions.
Which is more accurate- the pH paper or the red cabbage juice and why?
static electricity
The litmus paper changes to green because water has a neutral pH (7) andgreen is the neutral color.