What is a mixture?
A combination of two or more substances that are not chemically bonded.
True or False: In a mixture, the components keep their own properties.
True
Fill in the blank: A __________ is a mixture that has a uniform composition throughout.
solution
What is an example of a solid mixture?
rocks,salad
Multiple choice: Which of the following is a heterogeneous mixture? A) Saltwater B) Salad C) Sugar water
B) Salad
What is the process of separating a mixture by using a filter called?
Filtration
True or False: Mixtures can be separated by physical means.
True
Fill in the blank: A mixture where the different substances are easily seen is called a __________ mixture.
heterogeneous
What is the main difference between a mixture and a compound?
In a mixture, substances are not chemically combined, while in a compound, they are.
Multiple choice: Which of these is a liquid mixture? A) Air B) Salad dressing C) Gold
B) Salad dressing
What do you call a mixture of metals?
Alloy
True or False: Oil and water form a homogeneous mixture.
False
Fill in the blank: The process of heating a mixture to separate components is called __________.
distillation
What is an example of a gas mixture?
Air
Multiple choice: Which of the following is NOT a mixture? A) Concrete B) Water C) Fruit smoothie
B) Water
What is the term for the solid that forms when two liquids are mixed together?
Precipitate
True or False: Mixtures can have varying proportions of their components.
True
Fill in the blank: A __________ is a mixture where one substance is dissolved in another.
solution
What is the term for separating a mixture using a spinning motion?
Centrifugation
Multiple choice: Which is an example of a homogeneous mixture? A) Sand and gravel B) Air C) Fruit salad
B) Air
What do we call the part of a solution that is dissolved?
Solute
True or False: All mixtures can be classified as either homogeneous or heterogeneous.
True
Fill in the blank: A __________ is a liquid mixture of two or more substances that does not settle out.
suspension
What is an example of a gaseous mixture?
Natural gas
