Chemistry Discoveries — Set 2
Inventions · रसायन की खोजें · Questions 11–20 of 70
Who discovered Penicillin, the world's first true antibiotic, in 1928?
The discovery of X-rays, which helped reveal chemical structures, was made by?
Who is known for developing the modern concept of acids and bases involving proton transfer?
The discovery that the atomic number, not atomic weight, is the key to the periodic table was made by?
Who discovered Hydrogen, referring to it as 'inflammable air'?
The 'pH scale' for measuring acidity was invented by which chemist?
Which scientist discovered the 'Law of Definite Proportions' in chemical compounds?
Who discovered the noble gas Helium on Earth after it was detected in the Sun?
The discovery of 'Vaccination' as a chemical/biological defense was pioneered by?
Who discovered the process of Vulcanization, making rubber durable?