1. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table

2. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.

3. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

4. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

5. Who invented colour television ?

Answer:

Peter Carl Goldmark

6. Who invented Proton ?

Answer:

Ernest Rutherford

7. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.