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What is the formula of sulphuric acid?

  • A.K2SO4
  • B.SO2
  • C.Na2SO4
  • D.H2SO4

Answer: D

Sulphuric acid is H2SO4 - two hydrogen atoms, one sulphur and four oxygen.

It is a dibasic strong acid and the most produced industrial chemical in the world, used in fertilisers, refining, dyes and batteries. K2SO4 and Na2SO4 are its salts and SO2 is an oxide of sulphur.

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