Mixtures
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What is a homogenous mixture?
A homogenous mixture is 2 substances that can’t be seen by the naked eye
What is a heterogenous mixture?
2 substances that can be seen by the naked eye
What is soluble What is residue What is insoluble
Soluble= It dissolves Residue= what’s left behind Insoluble= does not dissolve
If the solute dissolves what is the mixture called?
A solution
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
c) solute and solvent, it’s heterogenous
What’s the difference between a pure substance and a mixture
Pure substances have 1 type of particles Pure substances come together to make a mixture
What’s an aqueous solution
Solution that uses water as a solvent
True or false Mixtures are chemically combined
FALSE! Mixtures are physically combined
What is a solute?
The substance being dissolved in a solvent
What is a solvent?
The substance that the solute is being dissolved in
What is the universal solvent and why?
Water since most solvents dissolve in it
What is a solution?
• homogeneous mixture - solute dissolves in solvent
What is a suspension?
• heterogenous mixture • solute doesn’t dissolve in solvent • large particles sink to the bottom
What is an emulsion?
• heterogenous mixture - two solves that don’t combine
What is a colloid? What is the Tyndall effect?
• homogenous mixture • solute and solvent half combine • Tyndall effect: particles are seen when the substance is held under a light
Fill in the blanks: The ____________ of a substance dissolved in a ______________
Solute, solvent
Which solvent dissolves in water? a) sand b) sugar c) plastic d) cotton
b) sugar
What is a mixture?
Combination of two or more substances