What is a mixture? Flashcards
(15 cards)
What is a mixture?
A mixture is a combination of two or more substances that retain their individual properties.
True or False: In a mixture, the components are chemically bonded.
False
Fill in the blank: A __________ mixture has a uniform composition throughout.
homogeneous
What is an example of a heterogeneous mixture?
Salad or sand and salt.
Multiple Choice: Which of the following is NOT a characteristic of mixtures?
A) Components retain their properties
B) Fixed composition
C) Can be separated by physical means
B) Fixed composition
What are the two main types of mixtures?
Homogeneous mixtures and heterogeneous mixtures.
True or False: Air is considered a homogeneous mixture.
True
What technique can be used to separate the components of a mixture?
Filtration, distillation, or chromatography.
Fill in the blank: A __________ mixture is one that does not have a uniform composition and the individual components can be seen.
heterogeneous
Multiple Choice: Which of the following is an example of a homogeneous mixture?
A) Oil and water
B) Saltwater
C) Fruit salad
B) Saltwater
What is the main difference between a mixture and a compound?
In a mixture, components retain their individual properties; in a compound, components are chemically bonded.
True or False: Mixtures can exist in all three states of matter.
True
What is the process of separating a mixture based on different boiling points called?
Distillation.
Fill in the blank: Mixtures that are made up of particles that are larger than those in a solution are known as __________.
suspensions
What is an example of a colloid?
Milk or fog.
