1. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

2. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

3. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

4. Who invented Nylon ?

Answer:

Wallace Carothers

5. Who invented Radiocarbon ?

Answer:

Willard Libby

6. Who invented Transistor ?

Answer: Bardeen, Shockley & Britain of U.S.A. in 1948

7. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.