1. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

2. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

3. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

4. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

5. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

6. Who invented Vitamin K ?

Answer: Doisy Dam of U.S.A. in 1938.

7. Who invented Television ?

Answer:

John Logie Baird