Soluble,insoluble

• I am common salt.    (28)
• I am soluble in water.
• I am sugar and
• I am also soluble
• In water.
• I am copper sulphate,
• I am also soluble
• In water.
• I am potassium permanganate,
• I am also soluble in water.
• I am glucose powder,
• I am also soluble in water.
• We are glass pieces, sand, stones, pieces of wood and coconut oil.
• We are all insoluble in water.
• Which one dissolves in water quickly.the sugar or the salt?
• Sugar, of course.
• ooooooooooooooooooooooooooooooooo