engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Chemistry General Principles And Process of Isolation of Elements
Zone refining is based on the principle that _________.
1
impurities of low boiling metals can be separated by distillation.
2
impurities are more soluble in molten metal than in solid metal.
3
different components of a mixture are differently adsorbed on an adsorbent.
4
vapours of volatile compound can be decomposed in pure metal.