Mixtures
True or False. In mixtures, the number of different components my vary.
True
True or False. In order to make a solution, water has to be one of the materials.
False. There can be solids and gases too.
Fog, whipped cream, brass, and milk are all colloids except _.
What is brass? It is a solution.
True-False. Suspensions always appear cloudy and will separate if allowed to stand.
What is true?
When two or more elements bond together chemically a molecule or crystal is form of this.
What is a compound?
What is the definition of a mixture?
When you put two or more materials together and no chemical reaction occurs, then a mixture is formed.
These three examples of solutions are as follows.
Saltwater, soda, iced tea, lemonade, epsom salt and water, kool-aid.
True-False. A colloid is distinguishable from a suspension because it will settle out over time.
What is false as the particles stay suspended in a colloid?
Conditioner, paint, bronze and river water are examples of mixtures. The one example that is a suspension is _.
What is river water? It contains trees, mud, fish and water.
A molecule that has a positive charge on one end and a negative charge on the other is _.
What is polar?
This type of mixture has a uniform appearance and properties throughout.
What is homogeneous?
True-False. The solute is the substance that does the dissolving.
What is false? It is the solvent.
Air, snow globe, toothpaste and Italian dressing are examples of mixtures, but only one is a colloid.
What is toothpaste?
True or False. A suspension has tiny particles that are not seen with the naked eye.
False. Suspensions have large particles.
When a solution can hold no more and the particles begin falling to the bottom of the container, this is known as _.
True-False. The components that make up a mixture do lose their own properties.
What is false?
There are two requirements for a mixture to become a solution? What are they?
1. The solution needs to be see-through 2. The material needs to dissolve in the liquid.
This scientific discovery helped in classifying colloids.
What is the Tyndall effect? A colloid will scatter light when it is shined on it.
Suspensions are classified as _.
What is heterogeneous mixtures?
Describe the process of when a molecular solute is being dissolved.
What is when a molecular solute is dissolved, the solute will separate from each other and distribute among the solvent molecule pockets.
The characteristics of mixtures that often appears cloudy, scatters light and settles out over time is referring to this mixture.
What is heterogeneous?
Maple syrup is a solution made of sugar, flavored particles and water. The solute(s) and solvent would be _.
What is the solute is sugar and flavored particles and the solvent is water?
Of the following substances, Tungsten, steel, coffee, meringue, and concrete, the one(s) that are not colloids is/are _.
What is Tungsten-element, steel-solution, coffee-solution, and concrete-suspension?
Calamine lotion, flour water, Yoohoo drink and Kool-Aid are examples of mixtures. The one that is not a suspension is _.
What is Kool-Aid?
Describe the process of a crystalline solute being dissolved.
What is when a crystalline solute is dissolved in water, the electrical attraction between the solvent molecules and the ions in the crystal causes the crystal to come apart, one by one the ions in the crystal leave the lattice and float off among the opposite ends of the polar molecules?