A. KCI
B. KCIO3
C. CaCO3
D. ZnCO3

Correct Answer: Option B

B. KCIO3

SEE ALSO  The number of sulphur atoms in 3.20g of SO2(g) is [O = 16.0;S = 32.0; Avogadro constant = 6.02 X 10²³]

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