1. Who invented Nylon ?

Answer:

Wallace Carothers

2. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.

3. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

4. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

5. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

6. Who invented Printing Press ?

Answer:

Johannes Gutenberg

7. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.