Question

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Answer 1

Answer:

1) When the magnesium metal burns it reacts with oxygen found in the air to form Magnesium Oxide.

2) Mg+O₂⇒ MgO

3) When the magnesium metal burns it reacts with oxygen found in the air to form Magnesium Oxide, which is a compound. After it burns, it forms a white powder of the magnesium oxide.

4) Iodine is a chemical element and react with potassium to form potassium iodide, but not potassium iodine. When a solution of potassium iodide is added into a lead nitrate solution, potassium nitrate and a bright yellow precipitate of lead iodide are produced.

5) bright yellow color.

6) In this question one of the main word is missing after 'an', without that I cant give the answer.

7) Change in color.

   Evolution of gas.

   Change in temperature.

   Formation of precipitate.

   Change in pH.

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