General Principles and Processes of Isolation of Elements HOTs Class 12 Chemistry
MULTIPLE CHOICE QUESTIONS (MCQ) (1 Mark) Question. Which process is generally used for the concentration of sulphide ores(a) Hydraulic Washing(b) Magnetic Separation(c) Froth Flotation(d) Distillation Question. Which reducing agent is employed to get copper from leached low grade copper ore.(a) N2(b) H2(c) Coke(d) CO Question. Silica is used as a flux in the extraction of Metals which is an example of(a) Basic(b) Neutral(c) Acidic(d) Amphoteric Question. Name […]
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