Number of molecules of water of crystallization in copper sulphate, sodium carbonate and Gypsum are

What is the number of water molecules present in a Ferrous Sulphate crystal

Which one of the following salts does not possess water of crystallization?

Which one of the following is the correct molecular formula of ammonium carbonate if the valency of ammonium ion is (+1) and carbonate anion is (-2) ?

Match List- I with List- II and select the correct answer using the code given below the Lists : List-I (Trade Name) A. Bleaching powder B. Baking soda C. Washing soda D. Plaster of Paris List-II (Ch…

Sodium hydroxide and hydrochloric acid react to form sodium chloride and water. Which reaction is this?