Choose the statements from the following, regarding salt:
Statement 1: All salts are formed by the reaction of HCl and NaOH
Statement 2: Salts are formed by the neutralization of acids and bases.
Statement 3: Salts are ionic compounds
Statement 4: Salts are composed of cations and anions
Statement 5: Salts are always white in colour
Statement 6: NaCl is called as common salt
Statement 7: pH of common salt is 7
Salts are ionic compounds which dissociate into positively charged ions called anions and negatively charged ions called cations when they are dissolved in an aqueous solution.