What is a mixture in the context of chemistry?

Separation Techniques for Mixtures in Chemistry

Interactive Video
•
Chemistry, Science, Physics
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A physical combination of substances
A compound with new properties
A single pure substance
A chemical combination of substances
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which separation technique relies on differences in particle size?
Decantation
Sieving
Sedimentation
Centrifugation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does density affect the separation of mixtures?
It determines the chemical reactivity
It allows substances to be separated by their mass per unit volume
It allows substances to be separated by weight
It affects the solubility of substances
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process of allowing insoluble particles to settle out from a liquid called?
Filtration
Centrifugation
Sedimentation
Decantation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does immiscibility refer to?
The inability of two liquids to dissolve in each other
The ability of two liquids to dissolve in each other
The inability of a solid to dissolve in a liquid
The ability of a solid to dissolve in a liquid
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which technique involves rapidly spinning a mixture to separate substances of different densities?
Filtration
Decantation
Sieving
Centrifugation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a separation funnel?
To separate immiscible liquids of different densities
To separate solids from liquids
To mix two liquids thoroughly
To measure the density of a liquid
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