Question 31

Summary: (a) Calculate the percentage of total dissolved solids in a filtered sample of dam water. Describe a chemical test to determine the presence of chloride ions in the sample. (b) Name an ion other than chloride that commonly pollutes waterways. Identify its source and the effect of its presence on water quality.

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Written Paper Section I Question 21 - 2010 HSC Written Paper Section I Question 22 - 2010 HSC Written Paper Section I Question 23 - 2010 HSC Written Paper Section I Question 25 - 2010 HSC Written Paper Section I Question 26 - 2010 HSC Written Paper Section I Question 28 - 2010 HSC Written Paper Section I Question 29 - 2010 HSC Written Paper Section I Question 30 - 2010 HSC Written Paper Section I Question 11 - 2002 HSC Written Paper Section I Question 12 - 2002 HSC Written Paper Section I Question 13 - 2002 HSC Written Paper Section I Question 14 - 2002 HSC Written Paper Section I Question 15 - 2002 HSC Written Paper Section I Question 24 - 2002 HSC Written Paper Section I Question 25 - 2002 HSC Written Paper Section I Question 26 - 2002 HSC Written Paper Section I Question 27 - 2002 HSC Written Paper Section I Question 11 - 2001 HSC Written Paper Section I Question 12 - 2001 HSC Written Paper Section I Question 13 - 2001 HSC Written Paper Section I Question 14 - 2001 HSC Written Paper Section I Question 15 - 2001 HSC Written Paper Section I Question 22-24 - 2001 HSC Written Paper Section I Question 25-27 - 2001 HSC

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