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
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
12. The catalyst used in the manufacture of sulphuric acid by contact process is
14. Poison for platinum catalyst is
17. Equilibrium constant (Kp) at constant pressure for sulphur dioxide oxidation
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