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Toxic
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NRJC
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Key Stage 3
Meaning
A
toxic
substance
is one that is so poisonous it could kill an
organism
.
About Toxic Chemicals
Some
chemicals
are
toxic
in very small quantities so even a small amount could kill an
organism
.
Some
toxins
must be ingested to kill the
organism
. However, some can kill an
organism
if they are
inhaled
or if some of the
chemical
gets on their
skin
.