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Trioxosulphate lV acid is not stored for a long... - WAEC Chemistry 1993 Question

Trioxosulphate (lV) acid is not stored for a long period because it
A
is a weak dibasic acid
B
has bleaching properties
C
is unstable and eaily decomposed
D
smells strongly of sulphur (lV) oxide
correct option: c
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