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Question 41

The melting and boiling points of four halogen compounds, labelled W, X, Y, and Z, are recorded in the table below.

CompoundMelting point in °CBoiling point in °C
W−97−42
X−210−195
Y−38184
Z28215

Using the information in the table, determine which compound is a liquid at −15 °C.

[1]

States of matter Questions

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