Please help for brainliest

Don’t skip and don’t answer if u don’t know.

What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water

What is the solubility of substance?

What are the major types of a chemical compound