(i) K – Hydrogen sulphide
M – sulphur (IV) oxide
ii) Step I -Blue flames misty fumes chocking smell.
Step II-a vigorous reaction that produces white fumes.
iii) Temp of 450oC.
-Pressure of 2 to 3 atmosphere.
-V2 O5 finely divided platinum or silica
iv) Ca(OH)2 (aq) + SO2 (g)----->CaSO3 (s) + H20(l)
v) It makes the rubber tougher, less flexible, and less soft by reducing number of double bonds.
maurice.mutuku answered the question on September 20, 2019 at 06:44
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