Mixtures Flashcards

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1
Q

What is a homogenous mixture?

A

A homogenous mixture is 2 substances that can’t be seen by the naked eye

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2
Q

What is a heterogenous mixture?

A

2 substances that can be seen by the naked eye

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3
Q

What is soluble
What is residue
What is insoluble

A
Soluble= I‎t dissolves
Residue= what’s left behind 
Insoluble= does not dissolve
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4
Q

If the solute dissolves what is the mixture called?

A

A solution

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5
Q

What’s a suspension

a) solute and solute, it’s homogenous
b) solute and solvent, it’s homogenous
c) solute and solvent, it’s heterogenous
d) solvent and solvent, its heterogenous

A

c) solute and solvent, it’s heterogenous

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6
Q

What’s the difference between a pure substance and a mixture

A

Pure substances have 1 type of particles

Pure substances come together to make a mixture

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7
Q

What’s an aqueous solution

A

Solution that uses water as a solvent

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8
Q

True or false

Mixtures are chemically combined

A

FALSE!

Mixtures are physically combined

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9
Q

What is a solute?

A

The substance being dissolved in a solvent

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10
Q

What is a solvent?

A

The substance that the solute is being dissolved in

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11
Q

What is the universal solvent and why?

A

Water since most solvents dissolve in it

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12
Q

What is a solution?

A
  • homogeneous mixture

- solute dissolves in solvent

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13
Q

What is a suspension?

A
  • heterogenous mixture
  • solute doesn’t dissolve in solvent
  • large particles sink to the bottom
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14
Q

What is an emulsion?

A
  • heterogenous mixture

- two solves that don’t combine

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15
Q

What is a colloid? What is the Tyndall effect?

A
  • homogenous mixture
  • solute and solvent half combine
  • Tyndall effect: particles are seen when the substance is held under a light
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16
Q

Fill in the blanks:

The ____________ of a substance dissolved in a ______________

A

Solute, solvent

17
Q

Which solvent dissolves in water?

a) sand b) sugar c) plastic d) cotton

A

b) sugar

18
Q

What is a mixture?

A

Combination of two or more substances