Question

nickel and lead can be separated by

A) using gravity

B) using solvents

C) Distillation

D) magnetic separation

​

Answer 1

Answer:

dispersive extraction

Answer 2

Answer:

B) using solvents

Explanation:

BECAUSE :A new method for the determination of nickel and lead using solid–liquid–solid dispersive extraction, followed by ionic liquid-based dispersive liquid–liquid microextraction (SLSDE-ILDLLME) was established in the present work.