Introduction and Mixtures
Safety
Separating Substances
The Solution Recovery
Mixing Liquids and Mixtures
100
What are the three states of matter?
Solid, Liquid, Gas
100
What is this symbol mean?
Harmful to the Environment
100
Define compound.
A compound is a a pure substance containing two or more elements united chemically.
100
What temperature does water boil?
100c
100
What is density?
How much stuff is packed into a certain amount of space.
Heavy
200
Define Chemistry.
The study of matter.
200
What does this symbol mean?
Health Hazard
200
What is the filtering technique?
The process of passing a mixture of a liquid and a solid slowly through paper or other porous substance in order to remove the solid from the mixture.
200
What is a reactant?
Reactants are the substances that are used to bring about the chemical reaction.
200
What is a heterogenous mixture?
A heterogeneous mixture is when substances are not evenly mixed. The parts of these mixtures are clearly different from one another.
300
Define mixture.
A mixture is a number of pure substances
brought together.
300
What does the pressurized gas symbol look like?
Mrs. Speers will draw it.
300
What is an example of decanting?
Dirt and Water
300
What is an example of a chemical property?
Flammable, toxicity, boiling point
300
What is a homogenous mixture?
A homogenous mixture is when substances are so evenly mixed that it is difficult to tell them apart.
400
What is a pure substance?
Elements on the periodic table.
400
What does the explosion symbol look like?
Mrs. Speers will draw it.
400
What is distillation?
The process of vaporizing and then condensing a liquid.
400
What is the difference between solute and solvent?
Solute: A substance that is being dissolved in a solution.
Solvent: The substance that does the dissolving in a solution.
400
What is saturation?
Referring to a solution that is not able to hold anymore solute at that temperature.
500
What is an example of something that can move from a solid to a liquid to a gas?
Example: Water
Other examples will work.
500
What is the WHMIS acronym expanded?
Workplace Hazardous Material Information Systems
500
Mrs. Speers wants to make tea. However, she only has loose tea leaves. What technique should she use to make the tea?
Filteration
500
What are two examples that a chemical change may be happening?
-smell
-bubbles
-decomposing
-change in colour or temperature
500
What is the difference between physical change and chemical change?
Physical change: A change in substances where no new substances are formed.
Chemical change: A change in substances that have reacted chemically.