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Adding sodium chloride to a saturated solution of silver chloride will make the silver chloride:

• 1 More soluble
• 2 Less soluble
• 3 Unaffected
• 4 Turn into a gas

A buffer contains equal concentrations of acetic acid and acetate ion. The pKa of acetic acid is 4.76. What is the pH?

• 1 7.00
• 2 4.76
• 3 9.52
• 4 2.38

What is the pH of 0.05 M sulphuric acid, taking both protons as fully ionised?

• 1 1.3
• 2 1
• 3 2
• 4 0.05

What is the value of the ionic product of water, Kw, at 25 degrees C?

• 1 1 x 10^-7
• 2 1 x 10^-14
• 3 1 x 10^14
• 4 1 x 10^-1

An aqueous solution of ammonium chloride is:

• 1 Acidic
• 2 Basic
• 3 Neutral
• 4 Strongly basic