Question

a compound is regarded as a pure substance but a mixture is not give reasons​

Answer 1

Answer:

A compound is regarded as a pure substance because it is made up of same kind of molecule in the fixed ratio where as mixture contains two or more than two substances mixed in any proportion.

Answer 2

A compund substance is also regarded as a pure substance when it is totally made up of "similar kind of molecule" in a fixed ratio where as the mixture comprises of" two or more than two substances" which mixed in any kind of proportion.

Explanation:

• When two elements of compounds react together they form a compound as a result and since the resulting compound cannot be separated by any physical processes like condensation filtration.
• But they act as a single substance hence they are considered as pure substances.
• In case of mixtures they are not considered as pure substances because a mere physical processes like filtration, condensation, evaporation etc., is enough to separate the two elements that mix together to form a mixture.

To know more;

A compound is regarded as a pure substance while the mixture is not. Assign reason.

https://brainly.in/question/2191600