if you are comparing the water and Ice then it is neither. they are both the same.
From one point of view you have a mixture - even though they are the same - one is in the solid state and the other is in the fluid state.
From another - its an homogeneous substance since they are the same element.
To be literal as to your question: which is about the ICE itself and the water is not actually the substance in question. With that then the Ice is a substance and as long as it is ICE is is not mixing with the water. When the state changes from solid to liquid the melted liquid has become the other substance and is no longer ICE.
Assuming both were made from pure water, this would be an example of a pure substance. Even though the substance is in two different states of matter, they are still the exact same molecule.
A glass of ice water is a heterogeneous mixture, not a homogeneous one. This is because ice and water are two different phases, despite being the same substance.
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.
yes a homogenous substance is one in which you cannot differentiate between the parts of the mixture. a hetereogeneous mixture for example, might be a salad or a glass of water with ice.
a glass with ice and water
A glass of ice water is a heterogeneous mixture, not a homogeneous one. This is because ice and water are two different phases, despite being the same substance.
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.
yes a homogenous substance is one in which you cannot differentiate between the parts of the mixture. a hetereogeneous mixture for example, might be a salad or a glass of water with ice.
a glass with ice and water
Ice cream is a mixture.
Mixture
A mixture of ice and water may be such example.
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.
there is a phase change that is water(liquid) is converted into ice now the question arrives that it is a pure substance or not? if its chemical composition is the same during the phase change then it is a pure substance otherwise not.
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Mixture