Multiple choice

The Government of India has totally banned the export of 'Burnt Coal' (Jhama) because it contains recoverable amount of a metal element used in transistors. Which of the following is the element?

  1. Phosphorus

  2. Germanium

  3. Silicon

  4. Tungsten

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Government of India has totally banned the export of 'Burnt Coal' (Jhama) because it contains recoverable amount of germanium element, used in transistors.