← Chemistry (0620)
Q1 / 5
Purity
Higher
2 marks
How do impurities affect the melting point of a substance?
A
Impurities lower the melting point and cause it to melt over a range (rather than a sharp point)
B
Impurities raise the melting point
C
Impurities have no effect on melting point
D
Impurities make the substance melt more quickly at the same temperature
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