WebPure substances can't be separated into other materials while mixtures can be separated into pure substances. Web29 jan. 2024 · Air is a pure substance. Water is a mixture of hydrogen and oxygen atoms. A pure substance contains only one substance. For example, pure water does not contain bacteria and is considered “bacteria free.” However, it still contains other trace materials. These may be minerals or other substances.

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Web7 jun. 2024 · Explanation: Air is the mixture of gases we find in the atmosphere. It has solid particles like dust and liquid smog sometimes mixed with it.. Air is that invisible gas we … Web8 apr. 2024 · A few examples of pure substances include the following: Steel, Iron, Gold, Diamond, Water, Copper, and many more. Please note that air is also often considered a pure substance. However, some of the compounds like water, salt, crystals or baking soda are also considered pure substances. lower wilbury farm shop

Is air a pure substance? Homework.Study.com

WebA mixture is a combination of two or more substances. Answer choice D cannot describe a mixture as only one type of atom or molecule is present. Furthermore, to be a mixture, the substances must be physically blended not chemically combined. We can eliminate answer choices A and B as these describe chemical combinations. Web21 sep. 2024 · Air Is A Mixture For The Following Reasons: Air is primarily composed of nitrogen (70%) and oxygen (20%), with tiny amounts of carbon dioxide, carbon monoxide, helium, and traces of many other gases. There is no chemical reaction between the components, and there are no chemical links between them. Therefore it is a mixture. Web28 mei 2024 · Air is not a pure substance, as it’s a mixture of various elements in just the right proportion to sustain human life on Earth. A pure substance is one which has … lower wincombe farm donhead