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Does a pure substance describes elements and compounds but not mixtures or solutions?
"Pure" generally implies that the object has no unwanted material. It can include mixtures and solutions. For example, Ivory soap is advertised as being 99.9% pure meaning it has nothing in it that they didn't intend to put in the soap.
What distinguishes substances from solutions?
Substance has two meanings:- a pure compound- frequently substance is considered a synonym of materialSo a solution contain a dissolved substance (solute) but colloquially also a solution can be called substance.
Is a lemon a pure substance?
it is a pure substance.... not
Is Methane a mixture or a pure substance?
Methane is a pure substance.
Is helium gas a pure substance or mixture?
Helium is pure as it is on the periodic table.
Is a pure substance solutions?
nope.
Why are solutions mistaken for a pure substances?
Unlike a pure substance, a solution has at least two compounds which are the solute and the solvent.
Is formaldehyde a homogeneous?
Yes. Formaldehyde is a chemical compound, which is a pure substance, and pure substances, in addition to solutions, are homogeneous.
What is the name of a no acid and alkali substance?
They are called as neutral solutions. A common example is pure water.
Is the white substance left behind when tap water evaporates is it a pure substance or a mixture?
It would be a mixture of various minerals and chemicals if any were present in the water before evaporation
How can boiling point be used to find out if a substance is pure?
At Boiling Point all the material evaporates leaving no residue which means it is pure. But if it leaves some residue after evaporating at boiling point then it is not pure. For example : If you take an example of pure water & Saline Water then pure water will evaporate at its boiling point leaving nothing after it. But Saline water evaporates leaves salt behind it.
Does a pure substance describes elements and compounds but not mixtures or solutions?
"Pure" generally implies that the object has no unwanted material. It can include mixtures and solutions. For example, Ivory soap is advertised as being 99.9% pure meaning it has nothing in it that they didn't intend to put in the soap.
What distinguishes substances from solutions?
Substance has two meanings:- a pure compound- frequently substance is considered a synonym of materialSo a solution contain a dissolved substance (solute) but colloquially also a solution can be called substance.
Is acetone a pure substance or mixture?
pure substance, propanone
Why not aqueous solution of sodium chloride used instead of molten?
Aqueous solutions indicate that the substance is dissolved in water, whereas molten is where the substance is pure, so there is no water.
What occurs when substance sublimes?
Evaporates (;
Is a lemon a pure substance?
it is a pure substance.... not
