CBSE Class 10 Sample Paper Science Solution - For 2023 Boards

Question 3- Which of the following - teachoo.jpg

Which of the following is the correct observation of the reaction shown in the above set up?

 

  1. Brown powder of Magnesium oxide is formed.
  2. Colourless gas which turns lime water milky is evolved.
  3. Magnesium ribbon burns with brilliant white light.
  4. Reddish brown gas with a smell of burning Sulphur has evolved.

 

Answer:

  • When a magnesium ribbon is burnt, the following reaction takes place:

Burning of Magnesium Ribbon - Teachoo.jpg

  • The reaction takes place with a flash of bright white light

Therefore, the correct answer is (c) Magnesium ribbon burns with brilliant white light. 

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo