Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

Centrifugation, Decantation, and Filtration Quiz

10 Questions

2 Views

Centrifugation, Decantation, and Filtration Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the purpose of centrifugation?

Analyzing complicated material samples

Pouring a liquid gently to avoid disturbing solids

Purifying a solid based on solubility

Separating solid matter from a liquid suspension (correct)

Which process involves pouring a liquid gently to avoid disturbing the solid at the bottom of the container?

Centrifugation

Filtration

Recrystallization

Decantation (correct)

What is the liquid that passes through the filter paper called?

Flocculent

Precipitate

Centrifugate

Filtrate (correct)

What are substances other than the analyte that affect the final measurement called?

Interferences Signup and view all the answers

What is the key to recrystallization as a purification technique for solids?

Minimum amount of solvent Signup and view all the answers

What is the purpose of cooling the filtrate?

To remove soluble impurities Signup and view all the answers

What is the principle behind distillation as a purification method?

Separation based on the boiling points of contaminants and the liquid to be purified Signup and view all the answers

What distinguishes fractional distillation from simple distillation?

Fractional distillation includes repeated evaporation-condensation steps in a fractionating column Signup and view all the answers

In Liquid-Liquid Extraction, why is there a need to separate the analyte from the original solvent?

Due to interference with the analysis technique chosen Signup and view all the answers

What is the purpose of leaving the separatory funnel undisturbed after shaking in Liquid-Liquid Extraction?

To allow time for the immiscible layers to separate again Signup and view all the answers