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]
Answers: 2
Chemistry, 22.06.2019 12:30, fvmousdiana
In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)
Answers: 3
2 A white powder was placed in the melting point apparatus shown
in Figure 2. The oil in the appara...
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