Acid and Bases
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name some natural acids
.citric acid (e.g lemons) .ethanoic acid (vinegar) .hydrochloric acid (stomach acid) .methanolic acid (ant and nettle stings) .tannic acid (tea and red wine)
name the three most common labatory acids
.hydrochloric acid .nitric acid .sulfuric acid
what is a base
a substance that can neutralise an acid
name some bases and alkalis found at home
.soap .soda crystals .oven cleaner .toothpaste .indigestion remedies
what is an alkali
a base that can dissolve in water and has a ph more than 7 (soulble)
how can we tell how acidic or alkaline a substance is
using an indicator that changes colour depending whenever it’s an acid or an alkaline
name two indicators used to tell how acidic or alkaline a substance is
.litmus paper .universal indicator
what does the strength