Question

which change is magnesium to magnesium oxide
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Answer 1

Answer:

Chemical change

Explanation:

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Answer 2

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Chemical change!!

Explanation:

A chemical reaction is a process in which one or more substances called reactants are converted to one or more different substances called products. We will perform an activity to understand what chemical reaction is using Magnesium ribbon.

Here we have taken a bunsen burner and a clean magnesium ribbon after removing the oxide layer from it. Burn the magnesium ribbon using a bunsen burner and observe. We see that the magnesium ribbon burns with a dazzling white flame and changes into a white powder. This powder is magnesium oxide.

Due to the reaction between magnesium and oxygen present in the air a new substance called magnesium oxide is formed. It is a state change of magnesium to magnesium oxide. Change in the state is one of the observations to determine a chemical reaction.

Magnesium oxide (MgO), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide). It has an empirical formula of MgO and consists of a lattice of Mg2+ ions and O2− ions held together by ionic bonding. Magnesium hydroxide forms in the presence of water (MgO + H2O → Mg(OH)2), but it can be reversed by heating it to separate moisture.

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