Multiple choice

Sir Joseph Swann is associated with the invention of

  1. spindles

  2. chrome plating

  3. rayon

  4. lactometer
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sir Joseph Swan is credited with the invention of rayon, the first artificial fiber, in the late 19th century. He was a British physicist and chemist who worked on various inventions including early electric lighting. Chrome plating, lactometer, and spindles have different inventors and purposes.

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