WorksheetsHonors Chem Unit 2 Test
Total questions: 50
Worksheet time: 33mins
Ocean water (salt water in a glass) is a heterogeneous mixture.
A mixture that appears to be the same (uniform) throughout is considered to be
Classify the following as solution or heterogeneous mixture: (a) normal urine, (b) gasoline, (c) batter for chocolate chip cookies.
solution
normal urine
heterogeneous mixture
batter for chocolate chip cookies
solution
gasoline
Does the following diagram represent a chemical or physical change?
Chemical Change
Physical Change
Classify the following as solution or heterogeneous mixture: (a) iron ore, (b) chicken noodle soup, (c) tears.
iron ore
heterogeneous
chicken noodle soup
heterogeneous
tears
homogeneous
How many significant figures are in 0.890 cm?
1
2
3
Indicate the number of significant figures in 205 m².
2
3
4
How many significant figures should be reported when the density of a metal bar is calculated using its mass of 14.5 g and volume of 5.30 cm x 2.5 cm x 1.25 cm?
2
3
4
5
How many significant figures are in the number 24.00?
2
3
4
5
Convert 87°F to Celsius. (oC = (oF-32) x 5/9)
30.6°C
31.1°C
30.0°C
29.4°C
How many kilograms of water are required to fill a waterbed with dimensions 244 cm x 213 cm x 23 cm, given the density of water is 1.00 g/cm³? (1000 g = 1 kg)
1200 kg
2000 kg
1300 kg
2400 kg
Convert 150 lb to kilograms. (1.0 lb = 454 g, 1000 g = 1.0 kg)
68 kg
70 kg
72 kg
74 kg
A cube of osmium metal 1.500 cm on a side has a mass of 76.31 g at 25 °C. What is its density in g/cm³ at this temperature?
21.4 g/cm³
22.6 g/cm³
23.8 g/cm³
24.0 g/cm³
Calculate the density of the rectangular prism
2 g/cm3
4 g/cm3
6 g/cm3
8 g/cm3
Rank the objects from MOST dense to LEAST dense.
left, center, right
right, center, left
left, right, center
right, left, center
center, left, right
Match the following
Mass
amount of matter
volume
amount of space taken up by matter
density
amount of mass in a given space
What is the density of this cylinder?
0.077 m3kg
0.77 m3kg
7.7 m3kg
77 m3kg
Identify Each Property as Physical of Chemical
Density
Physical
Flammability
Chemical
Solubility
Physical
Corrosive
Chemical
Melting Point
Physical
Classify each as an element, compound, or mixture.
gold
element
milk
mixture
sugar
compound
iron
element
soy sauce
mixture
Flammability of a substance is a (a)
fireworks exploding (a)
chemical change
physical change
Label each model with the correct description.
Compound
Mixture
Element
Label each image
homogeneous mixture
element
compound
heterogeneous mixture
