Question

Question 4 a) Magnesium ribbon burns in the presence of oxygen with intense and extremely bright flame and leaves grey coloured ash. Answer the following questions based on the basis of the above observation. [3] i) Is it a chemical change? If yes give a reason. ii) Represent the above chemical change in terms of balanced chemical equation. iii) Mention the type of chemical change as exothermic or endothermic. [2] [1]​

Answer 1

Answer:

. iii) Mention the type of chemical change as exothermic or endothermic. [2] [1]

Explanation:

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Answer 2

Answer:

here is your answer

Explanation:

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