WBCS.LIVE practice question

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

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 1 and 2 only
  2. 1 and 3 only
  3. 2 and 3 only
  4. 1, 2, and 3

Correct answer and explanation

Correct answer: 1, 2, and 3