Ice is water (H2O) in it's solid state. It is a substance because it is entirely composed of one molecule and is not "mixed" with anything.
A mixture of ice and water may be such example.
Soduim is a pure substance. But it is a mixture because it was pshsically combined. Soduim is a pure substance. But it is a mixture because it was pshsically combined.
substance
Ice is frozen water.A compound with the formula H2O.
Chlorine is a substance. It is not a mixture. At room temperature, chlorine is a gas. The color of the gas is yellowish green.
Ice cream is a mixture.
Mixture
Mixture
mixture
substance
It is a mixture.
a mixture
Ice is solid H2O so it is a pure substance, at least ideally.
If ice is made of pure water, then it is a pure substance with a definite composition, H2O, and not a mixture.
If there is no salt or substance that makes it impure it is a pure mixture
it is a very course mixture
A mixture of ice and water may be such example.