The form of sulphur which is the most stable at ordinary temperature is

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The form of sulphur which is the most stable at ordinary temperature is

(A) Monoclinic

(B) Plastic

(C) Rhombic

(D) Flowers of sulphur

Answer: Rhombic

More MCQs and Answers on Chemical Technology

1. The form of sulphur which is the most stable at ordinary temperature is

2. The allotrope of sulphur which is insoluble in carbon disulphide is

3. Oleum is

4. Oleum may be represented by the formula

5. Oleum gives fumes of

6. Which of the following has maximum specific gravity at 18C?

7. H2S from petroleum refinery streams is recovered by scrubbing with

8. Sulphur is produced by oxidation-reduction of H2S. The catalyst used in this process is

9. When sulphur dioxide is passed through a solution of hydrogen sulphide in water

10. Sulphuric acid produced by contact process is

11. Select the wrong statement. Compared to platinum catalyst vanadium pentoxide catalyst used in contact process for the manufacture of H2SO4

12. The catalyst used in the manufacture of sulphuric acid by contact process is

13. In the manufacture of sulphuric acid by contact process platinum catalyst was previously used but suffers from

14. Poison for platinum catalyst is

15. The most favourable conditions of temperature and pressure for the oxidation of sulphur dioxide to sulphur trioxide are

16. The equilibrium yield of sulphur trioxide obtained from the oxidation of sulphur dioxide can be increased by

17. Equilibrium constant (Kp) at constant pressure for sulphur dioxide oxidation

18. For the production of sulphuric acid chamber process was developed first but produced acid of concentration

19. Contact process for the manufacture of sulphuric acid yields

20. 65% oleum

21. The most efficient agent for the absorption of SO3 is

22. Which one of the following reactions is not an exothermic

23. Producer gas is obtained by

24. The constituents of water gas are

25. The producer gas is composed of

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