Wolfgang Ostwald Quotes
Top 6 wise famous quotes and sayings by Wolfgang Ostwald
Wolfgang Ostwald Famous Quotes & Sayings
Discover top inspirational quotes from Wolfgang Ostwald on Wise Famous Quotes.
The only difference between elements and compounds consists in the supposed impossibility of proving the so-called elements to be compounds.
A catalyst is a substance which alters the velocity of a chemical reaction without appearing in the final products.