Sulphur And Its Compounds - 5


Chemistry Class 10
1. ________ is used in the vulcanization of rubber, a process which converts soft pliable rubber into hard.


Chemistry Class 10
2. sulphuric acid was first prepared in the laboratory by a muslim scientist, ________.


Chemistry Class 10
3. Sulphur reacts with copper at high temperature to produce ________.


Chemistry Class 10
4. Rhombic sulphur is insoluble in water, but soluble in ________.


Chemistry Class 10
5. ________ sulphur is the only stable allotrope at room temperature.


Chemistry Class 10
6. Sulphur melts at ________ and boils at ________ .


Chemistry Class 10
7. Sulphur exists as ________ molecules at room temperature.


Chemistry Class 10
8. Sulphur is extracted from underground by _


Chemistry Class 10
9. ________ is used in the manufacture of explosives and fireworks.


Chemistry Class 10
10. Sulphur reacts with chlorine to form ________.


Chemistry Class 10
11. The chemical formula of oleum is ________.


Chemistry Class 10
12. The chemical formula of calcium dihydrogen phosphate is ________.


Chemistry Class 10
13. Dilute sulphuric acid reacts with metals to produce ________ gas.


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