Lab Equipment and Measurements
Separation Techniques
Pure Substances Vs. Mixtures
Physical/Chemical Changes and Properties
Scientific Notation and Significant Figures
100
These is the units used to describe volume of liquids.
What is milliliter (mL)?
100
This technique separates solid and liquid through a filter
What is filtration?
100
This type of matter can not be broken down any further.
What is an element?
100
This type of change involves a change in appearance but no change in its chemical make up
What is a physical change?
100
The number of significant figures in the measurement 245 g.
What is 3?
200
This instrument is used to measure mass.
What is a scale?
200
This technique is used to separate liquids based on their boiling point.
What is distillation?
200
This type of mixture is also described as a solution, since you can not see the different components.
What is a homogenous mixture?
200
This type of property can only be observed through a reaction.
What is a chemical property?
200
This is the direction that you move the decimal when an exponent is negative.
What is left?
300
This is the equation for used to determine a substances' denisty.
What is mass/volume?
300
This technique uses heat to evaporate a liquid and leave behind a solid.
What is watch glass/crucible evaporation?
300
Carbon dioxide and sulfur hexafluoride are classified as these types of matter.
What is a compound?
300
This is an example of this type of change.
What is a chemical change?
300
This is the number of significant figures in the number 101,030.0
What is 7 significant figures?
400
The method of finding the volume of an irregular object, like a rock, by placing it in a graduated cylinder with water and measuring the change in the water level.
What is water displacement?
400
What method would be best used to separate two colorless liquids?
What is distillation?
400
Greek salad would be classified as this type of matter
What is a heterogenous mixture?
400
This property of wood describes its ability to burn and turn into ash and smoke.
What is flammability?
400
This is the correct format for 0.0000675 in scientific notation.
What is 6.75 x 10-5?
500
This is the name of this type of glassware.
What is an Erlenmeyer flask?
500
This technique separates particles by size and solubility.
What is chromotography?
500
This image represents this type of substance.
What is a pure compound?
500
This type of physical change involves a solid turning to a gas without a liquid phase.
What is sublimation?
500
The number 6,020,000,000 written in proper scientific notation.
What is 6.02×109?