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Q.1. Explain the changes that happen when : a) Magnesium strip is ignited. |
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Answer» When a piece of MAGNESIUM ribbon is ignited, LIGHT and heat are produced. Purpose/Goal: A QUICK DEMONSTRATION which illustrates the concept of an exothermic reaction, as well as ONE that produces light energy. The heat of formation of magnesium oxide is -601.83 kJ/mol. |
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