WBCS.LIVE practice question

Manganese dioxide is used in glass production to:

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

Answer options

  1. Increase the melting point of silica
  2. Make the glass more flexible
  3. Act as a primary raw material for glass formation
  4. Remove the greenish tint caused by iron impurities

Correct answer and explanation

Correct answer: Remove the greenish tint caused by iron impurities