It is an element so pure substance...Roll Tide
pure substance
Water vapor is a gas, not a mixture. Water vapor is just the gas form of water, it is not a mixture.Water Vapor is a compound made by bonding Hydrogen and Oxygen.
It is a pure substance. It is a basic gas
Not by itself, its 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.
Sprite is a mixture because it contains various ingredients such as water, sugar and gas.
No. Hydrogen gas is an element, making it a pure substance.
No, hydrogen gas is a pure substance.
Mixture, because it is mixed with all sorts of chemicals, such as smog, and or pollen.Mixture is NOT a pure substance, because to be a pure substance, it can't be mixed with anything.
Water vapor is a gas, not a mixture. Water vapor is just the gas form of water, it is not a mixture.Water Vapor is a compound made by bonding Hydrogen and Oxygen.
Helium is pure as it is on the periodic table.
Pure. (gas)
Helium gas is a pure substance
Helium gas is a pure substance
It is a pure substance. It is a basic gas
Helium gas is a pure substance
Oxygen is an element indicating that is a pure substance.
nitrogen gas is BASICALLY JUST PLAIN NITROGEN AND THUS IT IS A PURE SUBSTANCE.