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P BLOCK ELEMENTS
Question #40476
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Question
Which of the following is NOT a method described for preparing monoclinic sulphur crystals?
A. Evaporating a solution of sulphur in ethanol
B. Melting rhombic sulphur and cooling to form a crust
C. Heating rhombic sulphur above 369 K
D. Cooling molten sulphur rapidly
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