Asked in Chemistry, Elements and Compounds
What is the color and formula of lead dichromate?
Two possibilities: Lead(II) dichromate PbCr2O7, color not known Lead(IV) dichromate Pb(Cr2O7)2, color not known Only of Lead(II) chromate PbCrO4 (not the one asked, though) I know the color because it is known as Chroom Yellow, used in paints. And also Iron(III) chromate Fe2(CrO4)3 is yellow ...
Which pencil lead is darkest?
Pencils have had no lead for many years. Generally, a softer graphite will have a darker color. A pencil with a high "B" rating will be soft and produce a darker color. ...
Asked in Music Genres
Who is the lead singer of ikimono gakari and what is her favorite color?
The lead singer of Ikimono gakari is Kiyoe Yoshioka, whose favorite color is thought to be red, because her ipod is red. ...