What are pesticides and herbicides? Explain giving examples.

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(N/A) Pesticides are chemical substances or mixtures of substances used to kill,repel,or control pests. Pests include insects,plant pathogens,weeds,and mollusks that damage crops and spread diseases. Examples include $Aldrin$ and $Dieldrin$.
Herbicides are a specific class of pesticides designed to kill or inhibit the growth of unwanted plants,known as weeds. Examples include sodium chlorate $(NaClO_3)$ and sodium arsenite $(Na_3AsO_3)$.

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