Neither of the solutions appears on the list you provided along with the question.
Nothing appears to be free
Silver sulfate solution typically appears colorless.
A solution
Sodium nitrate in solution appears colorless or slightly yellowish.
Nothing
changes to violet in basic solution
illusion
Nothing appears to be law & doggie.
Nothing
Copper chloride solution typically appears blue or green in color.
Iron sulfate solution typically appears pale green or pale blue in color.