4. Dyes are used for colouring various materials, like cloth
and plastic. William Perkins, the English chemist, discovered dyes
for colouring from?
5. Coal tar
6. ID. This chemist?
7. Oliver sacks Oliver Wolf Sacks, CBE is a British
neurologist, writer, and amateur chemist who is Professor of
Neurology at New York University School of Medicine
8. Who believed that matter was made of earth, water, fire, and
air?
9. Aristotle
10. The first dye that was prepared synthetically was?
11. Mauveine
12. The elements of chemistry, published in 1789 described
elements with modern chemical names. It contributed significantly
to the progress of chemistry. The book was written by?
13. Lavoisier(France)
14. Salicylic acid, picric acid,aspirin,nylon and plastics have
common raw material, namely?
15. Phenol
16. Id. This chemist?
17. Hermann Emil Fischer Hermann Emil Louis Fischer was a
German chemist and 1902 recipient of the Nobel Prize in Chemistry.
He also discovered the Fischer esterification. He developed the
Fischer projection, a symbolic way of drawing asymmetric carbon
atoms.
18. Metallurgy, the science of metals, known as Lohasastra in
India, was mentioned as far back as in?
19. The Vedas
20. Thank you Courtesy 1000 chemistry quiz(Dr.maya dube,
c.