WorksheetsChemistry Part 2
Total questions: 22
Worksheet time: 11mins
What is the formula for density?
D=m/v
D=v/m
D=w/m
D=m/w
A tin box has a volume of 89 cm3 and a mass of 623 grams. What is its density?
7 g/cm3
0.14 g/cm3
0.75 g/cm3
A piece of asphalt has a volume of 251 cm3 and a mass of 502 g. What is its density?
2 g/cm3
0.5 g/cm3
0.285 g/cm3
A beechwood shed has a volume of 1.6m3 and a mass of 1,200 kg. What is its density?
1,920 kg/m3
750 kg/m3
15 kg/m3
Which of the following is a chemical reaction?
Burning paper
Chopping wood
Tearing paper
Smashing rocks
Which is an example of a physical change?
Burning paper
Chopping wood
Metal rusting
Fireworks
The reactants are on the ________ side of a chemical equation.
Right
Left
The products are on the ____________ side of a chemical equation.
Right
Left
What are the reactants in the following equation?
2H2 + O2 → 2H2O
2H2 + O2
2H2O
O2
2H2
What are the products in the following chemical equation?
Na + OH → NaOH
Na
OH
Na + OH
NaOH
How many atoms are in NaOH?
2
3
4
1
How many atoms are in 2H2O2?
8
6
5
4
Mya needs to find the volume of an unusual shaped rock. She uses the displacement method to find the volume of the rock. If her beaker has 200mL of water in it to start with and ends with 275mL after adding the rock, what is the volume of the rock?
275 cm3
75 cm3
175 cm3
Which of the following is a synthetic material?
Cotton
Wood
Nylon
Wool
Which of the following is a natural material?
Nylon
Polyester
Polyethelyne
Cotton
Both natural and synthetic materials come from _________ resources.
natural
synthetic
Synthetic materials are created using...
chemical reactions
hammer and nails
heat
Synthetic materials take longer to recycle
True
False
All of the following are clues of a chemical change EXCEPT...
production of a gas
change in temperature
change in color
change in size
Is boiling water a chemical or physical change?
chemical
physical
Is mixing lemon juice and milk a chemical change or a physical change?
physical
chemical
The density of water is ___________.
1.0 g/cm3
10.5 g/cm3
0.93 g/cm3
2.5 g/cm3
