Question

Under what circumstances magnesium and copper react with oxygen. Write reactions.

Answer 1

$\huge\bf\mathcal\red{HeyDude}$
$<p> ✨When the magnesium metal burns it reacts with oxygen found in the air to form Magnesium Oxide.</p> <p> ✨When magnesium is heated it react with oxygen vigorously producing light and heat. This is exothermic reaction. </p> ✔<u>️Reaction </u> : 2Mg + O2 → 2MgO$

Answer 2

Answer:

• When magnesium burns in air , it reacts with oxygen.
• The reaction produces magnesium oxide and a lot of heat and light.

Reaction:-

2Mg + O2 ------> 2MgO + Heat and light