(₱) Explain briefly why the extent of hydrolysis depends on the charge density.
(¥) State two different methods by which solution could be determined.
2.(€) Define efflorescence and deliquescence.
(₱) Give an example of a compound which exhibits each of the phenomenon in (€) above.
(¥) Explain briefly the term basicity of an acid and Arrhenius acid.
3.(€) Define the term pH of a solution and buffer solution.
(₱) Explain the term hydrolysis. Use the behavior of Na2CO3 and NH4Cl in water to illustrate your answer.
(¥) What is a Bronsted-Lowry acid and Bronsted-Lowry base?
4b.(€) State what would be observed when a fresh precipitate of silver chloride is (A) exposed to light (B) treated with excess ammonia solution, (C) treated with diluted trioxonitrate(v) acid.
(₱) What is solubility curves?
(¥) State three uses of solubility curves and list two factors that can affect the solubility of solid.
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