Online Science Quiz 4

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Genral Knowledge Science Quizz
This is the general knowledge questions and answers section on "GeneralScience".This quiz will test your general science knowledge.

1. Potassium nitrate is used in

medicine
fertiliser
salt
glass

2. Permanent hardness of water may be removed by the addition of

sodium carbonate
alum
potassium permanganate
lime

3. Soda water contains

carbonic acid
sulphuric acid
carbon dioxide
nitrous acid

4. The most important ore of aluminium is

galena
calamine
calcite
bauxite

5. Most soluble in water is

Graphite
sulphur
common salt
sugar

Score = Correct answers:

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