MCQ
Sodium thiosulphate is formed when
  • A
    $SO_2$ is boiled into $Na_2S$
  • B
    $Na_2SO_3$ is boiled with elemental sulphur
  • C
    $H_2S_2O_3$ is neutralised by $NaOH$
  • Both $(B)$ and $(C)$

Answer

Correct option: D.
Both $(B)$ and $(C)$
d
Disulfuric acid or pyrosulfuric acid is an oxoacid of sulphur It is a major constituent of fuming sulfuric acid, oleum and its chemical formula is $H _2 S _2 O _7$

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