1. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

2. Who invented Super Computer ?

Answer:

Seymour Cray

3. Who invented Transformer ?

Answer:

Ottó Bláthy

4. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

5. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table

6. Who invented Ball-Point Pen ?

Answer: John J. Loud of U.S.A. in 1888

7. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.