Biology, asked by 25millerowe, 11 months ago

Which of the following is true about pure substances?
A.
A pure substance has the same chemical properties throughout.
B.
A pure substance can only be made up of one kind of atom.
C.
A pure substance can always be separated by physical means.
D.
All pure substances are unable to be separated by any means.

Answers

Answered by rajaramarya1971
0

Answer:

A.pure substance can only be made up of one kind of atom.

Answered by sarivuselvi
0

Answer:

elements and compounds

Explanation:

pure substance means a substance which is made up of only one kind of particle or only same type of compound.

Hence element contains only 1 type of atoms

and compound

Example:

H2 is made of only hydrogen atoms

hence it is element

H2O is made of 2 hydrogen atoms and 1 oxygen atom

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