Chemistry, 25.01.2021 14:30 hermine40

2 A white powder was placed in the melting point apparatus shown in Figure 2. The oil in the apparatus had a high boiling point. The
chemist carrying out the test noted that the white powder started
to melt at 158°C and finished melting at 169°C.
a What was the melting range of the white powder? [1 mark]
b What does this information tell us about the white powder?
[1 mark]
c Why was oil, and not water, used in the apparatus? [1 mark]

2 A white powder was placed in the melting point apparatus shown

in Figure 2. The oil in the appa

Answers: 2

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2 A white powder was placed in the melting point apparatus shown in Figure 2. The oil in the appara...