Consider the following statements regarding burning of magnesium ribbon in air:<br>1. White powder of MgO is formed.<br>2. It is an example of combustion reaction.<br>3. Heat and light are produced.<br>Which of the statements given above are <strong>CORRECT</strong>?

  1. A. 1 and 2 only
  2. B. 1 and 3 only
  3. C. 2 and 3 only
  4. D. 1, 2 and 3

Correct Answer: D. 1, 2 and 3

Explanation

Burning of magnesium ribbon in air is a highly exothermic combustion reaction that produces heat, light, and a white powder of magnesium oxide (MgO).

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