Pure Substances & Mixtures Flashcards
What is a solution?
A type of substance that is formed when one substance (solute) dissolves evenly into another (solvent). It is usually transparent.
What are some examples of solutions?
- Vinegar
- Lemonade
- Cordial
What is a suspension?
A type of mixture that is formed when a substance does not dissolve in a liquid and will separate and settle to the bottom when left to stand. They are usually cloudy only after mixing.
What are some examples of a suspension?
- Muddy Water
- Snow Domes
What is a colloid?
A type of mixture that is formed when you have a suspension that does not separate or settle. A colloid will always appear to be cloudy.
What are some examples of colloids?
- Whipped Cream
- Hair Gel
- Wet Paint
What is an emulsion?
A type of mixture that is formed when a colloid of two or more liquids spread evenly through one another.
What are some examples of emulsions?
- Salad Dressing (only when shaken together)
- Milk