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Chemistry, 05.05.2021 08:50 amanda289

Question 1 A substance was analysed and was found to have a boiling point of 450 °C.
At room temperature it is a soft grey solid.
Which temperature could be the melting point of a pure sample of the substance?
A. -12 °C
B. 56 °C to 72 °C
C. 250 °C to 275 °C
D. 142 °C
[1 mark]


Question 1

A substance was analysed and was found to have a boiling point of 450 °C.
At room temp

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Answers: 2

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Question 1 A substance was analysed and was found to have a boiling point of 450 °C.
At room...
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