Multiple choice

Which of the following is known as rock cotton?

  1. Mica

  2. Silk

  3. Nylon

  4. Asbestos
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Asbestos is a group of naturally occurring silicate minerals that can be pulled into thin, durable fibers. Due to its fibrous, cotton-like appearance in mineral form, it is sometimes called 'rock cotton'.

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