1. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

2. Who invented Nylon ?

Answer:

Wallace Carothers

3. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

4. Who invented Computer ?

Answer:

Charles Babbage

5. Who invented Piano ?

Answer:

Bartolomeo Cristofori

6. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

7. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table