Which compound does H2SO4 represent when in an aqueous solution? sulfur oxide sulfuric acid hydrogen sulfide hydrogen disulfate

The boiling point of liquids is very high what does it indicate

How might this scientific phenomena be explained? a paper clip floats on water.

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state. a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car