Is it an acid or an alkali
How to Tell if Something is an Acid or an Alkali.
Acid turns blue litmus red, and alkali turns red litmus blue.
Acid.
Has a sour taste.
Changes blue litmus to red.
Has pH below 7.
Reacts strongly with metals.
Can damage some materials.
Releases H⁺ ions.
Alkali.
Has a bitter taste.
Feels soapy.
Turns red litmus to blue.
Has pH above 7.
Does not react much with metals.
Releases OH⁻ ions.
Often used in cleaning products.
Fun Fact
Ants use acid as a weapon Some ants, especially red ants, can spray or release formic acid when they feel danger.
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