Elements, Compounds, Mixtures
Physical and Chemical Properties
Acids and Bases
Balancing Equations
Mish-Mosh
100
Made up of 2 or more different chemical substances not chemically bonded
A. Element
B. Solid
C. Compound
D. Mixture
D. Mixture
100
When you observe a physical property, the substance_______?
A. Changes
B. Does not change
C. Burns
D. Melts
D. Does not change
100
A measure of how acidic or basic a solution is called?
A. Basic Scale
B. Acid Scale
C. Phosphorus Amount
D. pH
D. pH
100
Balance the following equation:
__Al + __O2 → __Al2O2
_4_Al + _2_O2 → _2_Al2O2
100
As the frequency of a wave decreases, the waves ________?
A. wavelength increases
C. period decreases
B. amplitude increases
D. speed decreases
A. wavelength increases
200
Boron is an example of a/n
A. Element
B. Mixture
C. Compound
D. None of the Above
A. Element
200
Which of the following is an example of a chemical property ?
A. Magnetism C. Solubility
B.Density D. Rusting
D. Rusting
200
If a substance feels slippery, tastes bitter, turns red litmus paper blue, the substance is a ____.
A. Acid
B. Base
C. Salt
D. Water
B. Base
200
Balance the following equation:
_ H2 + _O2 → _H2O
_2_ H2 + __O2 → _2_H2O
200
A student measures her heart rate after each of the activities listed. Based on this information what is the independent variable of this students investigation?
A. the students heart rate
B. Activity performed
C. the length of each activity
D. the equipment needed for activity
B. Activity performed
300
What are two types of mixtures?
A. Homozygous & Heterozygous
B. Homogeneous & Heterozygous
C. Element & Compounds
D. Homogeneous & Heterogenous
D. Homogeneous & Heterogenous
300
Which of the following are considered physical properties?
A. Solubility C. Density
B. Conductivity D. All of the above
D. All of the above
300
Vinegar, lemons, and oranges are all _____.
A. Acids C. Salts
B. Bases D. Neutral
A. Acids
300
How many different elements are involved in the following equation?
_AlBr3 + _Cl2 → _ AlCl3 + _Br2
A.6 C. 13
B.3 D. 7
B. 3
300
Which is the result of running an elevator with a more powerful motor?
A. The same amount of work is done in less time.
B. Less work is done in the same amount of time.
C. The same amount of time is needed to move the same distance.
D. A longer time is needed to move a shorter distance.
A. The same amount of work is done in less time
400
A mixture that appears uniform throughout and cannot be easily separated
A. Element C. Homogenous
B. Heterogenous D. Compound
C. Homogenous
400
Which state of matter do the molecules move the fastest and spread to fill the space they are in?
A. Solid C. Liquid
B. Gas D. Plasma
B. Gas
400
A neutral solution has a pH of _____?
A. 5 B. 8
C. 19 D. 7
D. 7
400
Balance the following equation:
_C3H8 + _O2 → _CO2 + _H2O
__C3H8 + _5_O2 → _3_CO2 + _4_H2O
400
In the chart below, which is the column that shows a constant?
A. First
B. Second
C. Third
D. Fourth
A. First
500
If I were to make Kool Aid, what would the powder be?
A. Solution C. Solvent
B. Solute D. Mixture
B. Solute
500
Which of the following demonstrates a chemical change?
A. Salt dissolving in water
B. Paper towel soaking up water
C. Wood Rots
D. Heat changes water to steam
A. Salt dissolving in water
500
What is the pH of the human body?
A. Around 9 C. Around 10
B. Around 7 D. Around 3
B. Around 7
500
Balance the following equation:
__AlI3 + __HgCl2 → __AlCl3 + __HgI2
_2_AlI3 + _3_HgCl2 → _2_AlCl3 + _3_HgI2
500
Sound waves are unable to travel through:
A. air C. water
B. vacuum D. rock
B. Vacuum