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.
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