A dye is suspected to have contaminated a lollipop. Which...
A dye is suspected to have contaminated a lollipop. Which of the following is the best method by which the contaminant may be isolated?
Fractional distillational
Recrystallization
Filtration
Paper chromatography
Evaporation
Correct answer is D
No explanation has been provided for this answer.
MnO4(aq) + 8H + 5Fe2+ → Mn2+(aq) + 5Fe3+(aq) + H2O. The oxidation number of maganese in the ab...
The pollutant usually presents in a city which generates its electricity from coal? ...
How many isomers has C 3H 6CI 2?...
f 5.0 cm−3 of 0.200 mol dm(^-3\) Na2CO3 was diluted to 250cm(^-3\)&nbs...
Consider the following equilibrium reaction: 2AB2(g)+B2(g)→2AB3(g). \...
Which of the following properties is not peculiar to matter? ...