No. Air is not pure substance. Air has all dust and dangerous gases with it. From place to place its composition changes.
A physical property is a characteristic of a pure substance. Water is an example of a pure substance.
As per my knowledge pure substance does not have anything else added to it. Air and water are pure substances that exist in nature. A pure substance cannot be taken apart to locate more substances.
Yes, pure water is an example of a substance that is free from impurities and contaminants.
Air is a mixture.
No. To start with, air is not a pure substance, and mixiong it with something else just makes it worse.
element
iron nails
24k Gold is a pure substance. Because it is made up of just gold unlike 14k gold which is silver and gold mixed.
Air is considered a pure substance because it is a homogeneous mixture of gases, mainly nitrogen, oxygen, carbon dioxide, and trace amounts of other gases. Each component of air retains its unique chemical properties and cannot be separated by physical means without changing the composition of air.
Air is a mixture.
oxygen is an example of a pure substance because a pure substance is made up of one kind of matter and it cannot be broken down into smaller parts.
No, it's a mixture.