Gaseous homogeneous mixture​

Gaseous homogenous mixture is air. It contains a number of gases. Its two main constituents are: oxygen (21%) and nitrogen (78%). The other gases are present in very small quantity.

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Explanation:

A homogeneous mixture is a solid, liquid, or gaseous mixture that has a uniform composition. No matter where you sample the mixture, the amount and type of components is the same. In contrast, a heterogeneous mixture lacks a uniform composition, so samples won't be identical.

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

the dissolution of polymer can be thermodynamically described in 2 steps.