A. 3 B. 2 C. 1 D. 0
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A. Vulcanisation B. Sulphonation C. Sulphurization D. None of these
A. CaN is explosive B. CaN Hygroscopic C. CaN is water soluble D. None of these
A. Catches fire easily B. Burns and gives soot C. Forms phosphine which gives smoke D. None of these
A. Red phosphorus B. Yellow phosphorus C. Black phosphorus D. Violet phosphorus
A. S, K and N B. N, K and P C. S, K and P D. S and N
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A. Unstable B. Coloured C. Insoluble in water D. Soluble in water
A. So2 is dissolved B. Lead sulphate is consumed C. Lead is formed D. Sulphuric acid is consumed