5.1 - Chemistry Form 4 Experiment

“Magnesium!” the class shouted.

He dropped the ribbon into the final bath of blue. chemistry form 4 experiment 5.1

It was. The zinc was tearing the copper out of the solution. The chemical equation wrote itself in Maya’s mind: Zinc + Copper(II) sulphate → Zinc sulphate + Copper. “Magnesium

Only the blue solution. Nothing happened. It remained still, a calm witness. The zinc was tearing the copper out of the solution

The solution turned from vibrant blue to a pale, cloudy colourless. The reddish-brown solid was pure, elemental copper. Zinc was the hero.

Ravi, whose fingers were always a little too eager, held a small coil of magnesium ribbon. It looked like a piece of dull, grey tinsel. “This looks harmless,” he smirked.

In their lab books, under , Maya wrote the final line of the story: