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Strictly, water itself is a pure substance, but most of the samples of water we meet are mixtures. De-ionized water which we use in the lab is water and nothing else (pure).
Tap water and natural samples from the world around us contain dissolved substances from the air and the rocks, so they are mixtures.
What else can I help you with?
Is a mixure a pure substance?
Is hors a sublime creature>
Is gaseous ammonia a mixure or pure substance?
Gaseous ammonia is a pure substance because it is made up of only one type of molecule, which is ammonia (NH3). It does not contain any other substances or compounds.
Is hot tea a substance or mixure?
it is a mixure because it is mixed with three or four different things which is water,sugar,milk and the teabag but they are not chemically combined together
Is water mixture or pure substance?
Pure Substance
Is water vapor pure substance or mixture?
Water vapor is a pure substance.
Is distilled water mixture or pure substance?
Pure substance.
Is carbonated water a pure substance?
For a substance to be pure, it must have no impurities in the substance. Carbonated water is water with carbon dioxide and other substances dissolved in this. Hence, it is not a pure substance.
Is liquid nitrogen a pure or mixure substance?
Yes Nitrogen is a pure substance because pure substances are both compounds and elements. Nitrogen is an element.
Is ice a mixture or a pure substance?
Ice is solid H2O so it is a pure substance, at least ideally.
Is salt water a pure substance and why?
no , its a mixture. salt is a pure substance, as is water, but togher they are a mixture.....
What classifies a substance as a pure substance?
A pure substance is a substance that is constant throughout. Such as water, tin or sulfur.
Is tap water a pure substance or a homogeneous substance?
it is a pure substance if your still unsure google it
