/6 Science Quiz (for 12 to 16 years old): Quiz 6 1 / 6Most soluble in water is camphor common salt sulphur sugar 2 / 6Which of the following was to be discovered first in the chromospheres of the sun? Helium Krypton Xenon Neon 3 / 6Soda water contains carbonic acid carbon dioxide sulphuric acid nitrous acid 4 / 6Permanent hardness of water may be removed by the addition of lime potassium permanganate sodium carbonate alum 5 / 6The most important ore of aluminium is calcite calamine galena bauxite 6 / 6Potassium nitrate is used in fertiliser medicine glass salt Your score is 0% Restart quiz Next quiz Please rate the quiz Send feedback By WordPress Quiz plugin
