Do you know any sites for scholarships in the USA and Europe for Phd in Chemistry?

Answer 1

In the US, many students obtaining their PhD in Chemistryfrom strong programs are attending with low-to-no tuition costs. They are granted teaching assistantships, research assistantships, and other sorts of "sponsorships" that support them while they study. As you begin to look at universities, ask about these sorts of opportunities.