Question

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Answer 1

(a) yellow flame

magnesium oxide

2mg + o2 --》2MgO

(b) magnesium-- metal

oxygen-- non metal

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Answer 2

Answer:

When magnesium ribbon is placed in the presence of oxygen, it burns with a bright, white flame.The product formed is magnesium oxide.

EXPLANATION:

When the magnesium metal burns it reacts with oxygen found in the air to form Magnesium Oxide, which is a compound. A compound is a material in which atoms of different elements are bonded to one another. Oxygen and magnesium come together in a chemical reaction to form this compound.