1. Who invented Vitamin A ?

Answer: Mc Collum and M.Davis of U.S.A. in 1913

2. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

3. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

4. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747

5. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table

6. Who invented google ?

Answer:

Larry Page

7. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.