Chemistry, asked by KhusbuDas, 2 months ago

why should a magnesium ribbon be cleaned before burning in air OR. what is balance chemical equations why should chemical equations be balanced?​

Answers

Answered by Anonymous
3

Answer:When stored, it reacts with oxygen to from a layer of magnesium oxide on its surface. This layer of magnesium oxide is quite stable and prevents further reaction of magnesium with oxygen. The magnesium ribbon is cleaned by sand paper for removing this layer so that the underlying metal can be exposed to air.

The equation is: Magnesium + oxygen → magnesium oxide. 2Mg + O2 → 2MgO.

The chemical equation needs to be balanced so that it follows the law of conservation of mass.

▀▄▀▄Hope it helps you▄▀▄▀

Similar questions