Mixtures + Solutions (summer exam)

Question 1

Mixtures
A mixture:
Contains two or more different elements or compounds that are not chemically bonded.
Can be easily separated using physical methods (learn later).

Answer 1

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Question 2

Solutions
Key definitions:
Soluble means it WILL dissolve. Examples of soluble substances include salt and sugar.

Answer 2

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Question 3

Solutions Insoluble means it will NOT dissolve. Examples of insoluble substances include mud and sand.

Answer 3

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Question 4

Solutions Sugar and salt are examples of solutes. A solute is a solid that is being dissolved.

Answer 4

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Question 4

Solutions Water is an example of a solvent. A solvent is a liquid a solute can be dissolved into.

Answer 4

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Question 4

Solutions A solution is a mixture of a solute and a solvent

Answer 4

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Question 4

MAKE SURE YOU LOOK AT THE SLIDES FOR A MUCH BETTER UNDERSTANDING IDC NO MATTER WHAT YOU THINK OK?

Answer 4

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Question 5

The mass of the solute and solvent is equal to the mass of solution as based on the law of conservation of mass.

Answer 5

KINDA MUST KNOW

Question 6

The three factors affecting dissolving are:
Surface area (powders dissolving faster than chunks)
Temperature (higher temperature leads to faster dissolving)
Amount of stirring (more stirring leads to faster dissolving)

Answer 6

KInda must know

Question 7

Mixtures can be separated by physical methods.
The physical method that is used depends upon the type of mixture.
The different methods include:
Filtration
Evaporation
Simple distillation
Chromatography

Answer 7

CMON YOU KNOW THESE!!