The statement which describes an intensive property of matter is - :
<u>it is the same for every sample of a single substance.</u>
Explanation:
<u>It is the same for every sample of a single substance. -:</u> Since a substance 's intense property does not depend on either mass or volume, it is the same for each sample of a single substance. <u>Hence , this statement is correct .</u>
<u>It depends on how a substance was formed -:</u> Intensive property do not depend upon the amount of the substance or the formation of the sample . <u>Therefore this statement ifs wrong about intensive property .</u>
<u>It is the same for every sample of every substances -: </u> This is not possible to be for every sample of the substance , a every substance have different qualities. <u>Hence this statement is also incorrect.</u>
<u>it depends on the amount of substances present -: </u> This is the characteristic of a extensive property of matter that relies on the amount of the material/substance.<u> This assertion is, therefore, not valid.</u>
Hence ,<u> the correct option is A (it is the same for every sample of a single substance).</u>
If a metal is less reactive than carbon, it can be extracted from its oxide by heating with carbon. The carbon displaces the metal from the compound, and removes the oxygen from the oxide. This leaves the metal.
