Chemistry ยท Science General

Separation Techniques

813 Questions

Separation techniques involve physical methods to isolate mixtures, including distillation, filtration, and crystallization. Competitive exams frequently test these foundational concepts. Review the exact processes to enhance problem solving speed.

Distillation and evaporationCrystallization processFiltration methodsSeparating dissolved solidsChromatography and mass techniques

Separation Techniques Questions

Multiple choice

Which of the following techniques is used to separate and identify compounds based on their size and charge?

  1. Spectrophotometry

  2. Chromatography

  3. Electrochemistry

  4. Electrophoresis
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Electrophoresis is a technique that separates and identifies compounds based on their size and charge.

Multiple choice

What is the process of removing impurities from crude oil called?

  1. Distillation

  2. Refining

  3. Cracking

  4. Polymerization
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Crude oil is refined to remove impurities and produce various petroleum products, such as gasoline, diesel, and jet fuel.

Multiple choice

What was the name of the medieval alchemical process of separating a mixture of liquids by heating it and collecting the vapors?

  1. Calcination

  2. Distillation

  3. Sublimation

  4. Cupellation
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Distillation was the medieval alchemical process of separating a mixture of liquids by heating it and collecting the vapors.