(Answered) Q1 how h2s can be converted to elemental form of sulphurq2

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Q1. How H2S can be converted to elemental form of sulphur?

Q2. What is the reaction between sodium sulphite and dilute sulphuric acid? Give balanced equation.

Q3. What is the gas evolved by reaction between sodium sulphite and dilute sulphuric acid? Give ionic equation.

Q4. Give two reactions for dehydration phenomenon.

Q5. Why sulphuric acid is a strong dehydrating agent?

Q6. What is the role played by sulphuric acid which is responsible for the reactions?

Q7. What is oil of vitriol?

Q8. What is the colour change in copper sulphate crystals from hydrated to anhydrous form?

Q9. Give the reaction for removal of water of crystallisation.

Q10. How sugar is mixed with sulphuric acid in the laboratory? Give reaction too.

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