The historical recorded use of litmus dyes was by the Spanish alchemist _____ around ____ AD.
Arnaldus de Villa Nova, 300 BC
Raymond Lulli, 1300 BC
Arnaldus de Villa Nova, 1300 AD
Raymond Lulli, 1300 AD
The historical recorded use of litmus dyes was by the Spanish alchemist Arnaldus de Villa Nova around 1300 AD.
1g + 300 mg = ___.
Add: 1 g + 300 mg
Add: 1g to 300 mg