Multiple choice

Which of these minerals is also known as 'Brown Coal'?

  1. Lignite

  2. Chromite

  3. Bauxite

  4. Magnesite
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A Correct answer
Explanation

Lignite is a brownish-black coal with relatively low carbon content and high moisture, often called 'brown coal'. It is the lowest rank of coal and is used primarily in electricity generation. The other options (chromite, bauxite, magnesite) are different minerals with distinct properties.

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