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the reactants and products in a chemical reaction.
a group of organic compounds that can be represented by a general formula e.g. alkanes, alcohols...
materials put into the soil to provide the required nutrients essential to plant life and growth...
to make neutral. An acid-base reaction which produces a salt and water.
an area or region where there is a high probability (95% chance) of finding electrons. Each...
compounds that are different colours in acid and alkali environments.