What happens when you mix Carbon and Silicon?

Almost as hard as diamond! Silicon meets Carbon

In a scorching furnace, silicon and carbon lock together into silicon carbide, a crystal almost as hard as diamond.

The result

What it makes
Silicon carbide (carborundum)
Equation
Si + C → SiC
When it happens
Only in a very hot furnace

Fun fact from Fizzy: Silicon carbide is the gritty stuff on sandpaper and is used in car brakes!

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