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Is lemon juice an acid?
Yes, it is
Is a substance with a pH equal to 9 an acid?
No, it is a base substance
Does the color of butterfly flower tea change when mixed with acids or bases?
Yes, it does
Do all bases taste sour?
No, they don't
Does vinegar turns the butterfly tea pink or lilac?
Yes, it does
Are soap and baking soda are examples of acids?
No, they're not.
What does pH measure?
Acidity or basicity
Is baking soda a base?
Yes, it is
What happens when you add lemon juice to butterfly flower tea?
It turns pink or lilac
What color does butterfly flower tea usually have before adding anything?
Blue or purple
Is vinegar an acid?
Yes, it is
What does it mean if a substance has a pH of 7?
It is neutral
What is the pH scale range?
It's 0 to 14
What does it mean if a substance has a pH less than 7?
It is an acid
What does it mean if a substance has a pH greater than 7?
It is a base
