Chemistry 0620 · IGCSE · Solids, liquids and gases

Solids, liquids and gases — practice question

Solid X is heated for 600 seconds. The graph illustrates the heating curve produced. What is the melting point of X?

  • A$20\,^{\circ}\text{C}$
  • B$170\,^{\circ}\text{C}$
  • C$240\,^{\circ}\text{C}$
  • D$270\,^{\circ}\text{C}$

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