Question 8 — You are provided with the following - Questions at the end of the chapter - Chapter 4 Class 7 - The World of Metals and Non-metals (Curiosity)

Last updated at August 17, 2026 by

Q8 (Medium): You are provided with the following materials. Discuss which material would be your choice to make a pan that is most suitable for boiling water and why? Iron copper sulphur coal plastic wood cardboard

Answer:
We have studied that good conductors of heat are suitable for cooking utensils . This is why copper is the best choice.

💡 Given: Iron | Copper | Sulphur | Coal | Plastic | Wood | Cardboard
  • Copper is the best heat conductor
  • Iron is also good but rusts easily
  • Non-metals like sulphur , coal are poor conductors
  • Plastic , wood , cardboard melt or burn
Pan Material Selection Best Choice Copper - excellent heat conductor Good Choice Iron - good conductor, rusts Poor Choices Non-metals - poor conductors Unsuitable Plastic/Wood - melt/burn
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