SPM Chemistry

Effectiveness of Detergent

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Effectiveness of Soap And Detergent

Soap

Advantages:

  1. More effective than water.
  2. It is biodegradable, will not pollute the water.

Disadvantages:

Will form scum with hard water. (Hard water is the water which rich in Ca2+ ions and Mg2+ ions)
Not effective in acidic water.

Detergent

Advantages:

  1. More effective than water.
  2. Will not form scum with hard water.
  3. Still effective in acidic water.

Disadvantages:

  1. Not biodegradable (especially those have a lot of branches in the carbon chain.)
  2. Some of the additives like phosphate and chloride will pollute water.