11th Grade Separation Techniques Quizzes, Questions & Answers

11th Grade

Mastering Recrystallization: A Quiz on Solubility and Purification Techniques

Explore the fundamentals of recrystallization in this focused quiz, designed to assess your understanding of the theory behind this essential chemical purification process. Perfect for learners aiming to enhance their practical...

Questions: 20 | Attempts: 10 | Last updated: Aug 4, 2025

Sample Question
How are crude solid compounds isolated from a chemical synthesis or extraction purified?

By sublimation, which involves the transition of a solid directly to a gas.

By chromatography, which separates compounds based on their affinity to a stationary phase.

By distillation, which involves the separation of compounds based on differences in volatility.

By recrystalization. Which is based on the difference of solubility of solids in a given solvent system

3.9 Modern Purification Methods

We discussed earlier some common methods of purification. In this screencast, we will discuss more methods of purification including the ones we will be using in school along with ones that are a little bit more high tech...

Questions: 5 | Attempts: 248 | Last updated: Mar 14, 2025

Sample Question
The boiling point of propyl alcohol is 97.5 degrees celcius while water's is 100 degrees celcius. These two are relatively close, so to separate a mixture of them I will use

Vacuum Distillation

Layer separation

Spinning band distillation

Thin layer chromatography

11th Grade Separation Techniques Quizzes, Questions & Answers

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