can you giveme some examples of acids and alkali please?

Answer 1

acids: acetic acid (vinegar), citric acid (lemons, etc), battery acid (sulfuric acid), cream of tartar (potassium bitartrate), etc.

alkalis: I prefer to call them bases. baking soda (sodium bicarbonate), lye (sodium hydroxide), lime (calcium hyroxide), etc.

Answer 2

i don't care !

Answer 3

acids = fizzy drinks (i.e coke...)
shampoo
apple juice
tea

alkalis = soap
baking soda
oven cleaner
indigestive tablets