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Gas containing two or more different kinds of molecules (or elements) always form homogeneous mixtures, like air (N2, O2, CO2, etc. etc., water and other vapours, perfumes, air-polluting gases, etc.etc.).
If it is composed only with ONE kind of compound or element then it is pure.
What else can I help you with?
Is helium gas a pure substance or mixture?
Helium is pure as it is on the periodic table.
Is argon gas a heterogenous mixture?
No, argon gas is a pure substance and not a heterogeneous mixture. A heterogeneous mixture contains different substances that are visibly distinguishable, whereas argon gas is composed of only argon atoms.
Is gold alloy mag wheel a pure substance or mixture?
pure substance?
Is helium gas a homogeneous mixture or a heterogeneous mixture?
Neither. Helium is not a mixture at all, it is a pure substance.
Is deodorant a pure substance or mixture?
No, it is a mixture; rarely a drug is a pure substance.
Is neon an mixture or a pure substance?
Pure. (gas)
Is helium gas substance or mixture?
Helium gas is a pure substance
Is helium gas a mixture or substance?
Helium gas is a pure substance
Is helium gas mixture or pure substances?
Helium gas is a pure substance
Is oygen gas a mixture or a pure substance?
Oxygen is an element indicating that is a pure substance.
Is gas homogeneous heterogeneous or a pure substance?
It depends. You can have a gaseous mixture such as air, which would be a homogeneous mixture. But a single gas such as oxygen or methane would be a pure substance.
Is Nitrogen Gas a Mixture or a Pure Substance?
nitrogen gas is BASICALLY JUST PLAIN NITROGEN AND THUS IT IS A PURE SUBSTANCE.
Is helium gas a pure substance or mixture?
Helium is pure as it is on the periodic table.
Is helium a mixture or a pure substance?
Yes, it is a pure substance but can be mixed with other gases.
Is hydrogen gas a pure substance or a mixture?
Hydrogen gas is a pure substance because it consists of only one type of atom, which is hydrogen. It is not a mixture because it does not contain different substances mixed together.
Is argon gas a mixture?
No. Argon gas is a pure substance. It is a noble gas element
Is hydrogen gas a pure substance?
Yes, hydrogen gas is a pure substance because it consists of only hydrogen atoms. It is a homogeneous mixture of identical molecules, making it a pure substance.
