ACIDS, BASES, AND SALTS
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)