Get Started
1539

Q: Who invented waterproof fabrics ?

  • 1
    James Dewar
  • 2
    Charles Goodyear
  • 3
    Mary Moore
  • 4
    Charles Macintosh
  • उत्तर देखें
  • Workspace

Answer : 4. "Charles Macintosh"
Explanation :

Answer: D) Charles Macintosh Explanation: Charles Macintosh (29 December 1766 – 25 July 1843) was a Scottish chemist and inventor of waterproof fabrics.He devoted all his spare time to science, particularly chemistry, and before he was twenty resigned his clerkship to take up the manufacture of chemicals. In this he was highly successful, inventing various new processes. His experiments with one of the by-products of tar, naphtha, led to his invention of waterproof fabrics.

सबसे विस्तृत एग्जाम तैयारी प्लेटफार्म

Examsbook Prep ऐप आज ही प्राप्त करें