state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 Chemistry P - Block Group 16 Elements (Oxygen Family)
Sodium thiosulphate is formed when
1
A solution of Na2SO3 is heated with finely powdered sulphur
2
NaHSO3 is treated with NaHS
3
I2 is added to a mixture of Na2S and Na2SO3
4
None the above
5
Question Not Attempted