(ii) Describe the arrangement and movement of the particles at the top of the fractionating column..[2](iii) Describe a method to determine the purity of the flavouring.[1](c) Describe how you would obtain a pure sample of silver chloride from a sample that is contaminated with some bari...
Describe the characteristic properties of metals, nonmetals, and metalloids. Assume that the particles in table salt (NaCl) vibrate just as forcefully as the particles in lead (Pb). Explain why table salt remains solid at 500 degrees C while lead exists as a liquid. Write briefly a summary ...