Evaporation could work, but it would take too long and might be harmful to the environment. This is not the answer.
Distillation is used to purify a substance. It is generally only used when separating two liquids. This is not the answer.
Filtration is where you would pour the liquid through a filter and collect the solid. This is the answer.
Chromatography is technique that is used to test whether something is pure. You would not be able to separate the two substances using this technique. This is not the answer.
Answer: A. Protons are positive and carry a charge of +1 B. Neutrons are neutral so carry a charge of 0 C. Electrons are negative and carry a charge of -1
is the wavelenght
is the frequency
is the speed of light (arroung 300000 km/s)