1.

Show that burning of magnesium ribbon is a chemical change through an experiment experiment

Answer»

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AIM : To show that burning of magnesium ribbon is a chemical change.

MATERIAL REQUIRED : Magnesium WIRE , tongs , burner.

Procedure :

1. Take a strip of magnesium ribbon and hold it with the help of tongs.

2. INTRODUCE it into the flame of the burner.

OBSERVATION :

Magnesium ribbon  burns with dazzling light and WHITE substance is formed which is magnesium oxide. This HAPPEN due to following reaction :-

CHEMICAL REACTION :

2Mg ( s ) + O₂ ( g ) -------------->  2MgO ( s )

CONCLUSION :-

  • Burning of magnesium in presence of oxygen to form magnesium oxide is a combination reaction and an exothermic process because heat and light are produced.


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