Nitrates: Food Preservatives

Potassium nitrate is a natural substance found in your food, or in an exploding firework. What makes it so versatile?

Chemistry - Chemical Industries - Learning Points.

Potassium nitrate preserves our food and is a component of gunpowder.

Nitrate salts are made using the Haber Process.

Potassium nitrate forms naturally on rocks in caves.

Potassium nitrate kills a bacterium, which secretes a deadly poison.

A Twig Context Film.
Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.