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Class 12 Chemistry Practice Test: Sulphur - Allotropic Forms
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Class 12 Chemistry Practice Test: Sulphur - Allotropic Forms
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12 Questions

1. Which characteristic of crude petroleum is a consequence of sulfur?
2. What percentage of Earth’s mass is sulfur?
3. What is the transition temperature of alpha- and beta-sulfur?
4. What are pyrites known as fool’s good?
5. What is the name of the process of extracting sulfur on commercial scale?
6. What is the oxidation number of sulfur in dithionous acid?
7. Which of the following is used for vulcanization purposes in the rubber industry?
8. Which is a more vital source of elemental sulfur?
9. What is the common name of O2SCl2?
10. Who first recognized sulfur as an element?
11. What is the chemical structure and formula of sulfur?
12. When a flask containing sodium thiosulfate is placed over a paper marked with ‘X’ and HCl added to it, the ‘X’ seems to disappear when looked through the flask. Why?

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