This table shows the solubility of various salts. Note that this is only for reference and some discrepancies are present between various tables.


Frequently Tested Topics:

  • Solubility of Salts

  • Equations for Preparation of Salts

  • Definitions and Properties of Acids, Alkalis, Bases

  • Methods of Preparation of Salts

  • Properties of Salts - Water of Crystallisation, Deliquescence, Efflorescence

  • pH Value

*Note that other aspects of the chapter are equally important.

Important Past Questions:

  • Select the one which contains solute ions and molecules. (2009, 2010)

Example:  A] NaOH soln.  B] A weak acid  C] Dil. H2SO4

  • Draw the structure of the ion formed when an acid dissolves in water. (2005, 2014)

  • Choose the correct method from the list, for the preparation of the given salts. (2011, 2016, 2017, 2018, 2019)

  • From the list of substances, fill in the blanks:

Ammonia, Ammonium, Carbonate, Carbon Dioxide, Hydrogen, Hydronium, Hydroxide, Precipitate, Salt, Water.

A solution X turns blue litmus red so it must contain ________ ions; another solution Y turns red litmus blue and therefore, must contain ________ ions. When solutions X and Y are mixed together, the products will be ________ and ________. If a piece of magnesium were put into solution X, _________ gas would be evolved. (2007, 2013)

  • Give balanced equations for the preparation of:

Zinc Carbonate from Zinc Sulphate. (2010, 2013, 2018)

Iron [III] Chloride from Iron. (2010, 2011, 2015, 2016, 2019)

PbCl2 from Pb(NO3)2 and NaCl. (2007, 2011, 2019)

Lead sulphate from lead carbonate. (2005, 2009, 2014)

  • Given the pH of a solution/ relative pH, state whether acidic or alkaline. (2016, 2017, 2018, 2019)

  • Give a term for: a compound, soluble in water, and the only negative ions in the solution are hydroxide ions. (2005, 2008)

    List of All Important Equations for Acids, Bases, and Salts