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Unit1 Test

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Last updated over 5 years ago
15 questions
15
6
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8
5
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Question 1
1.

Draggable itemarrow_right_altCorresponding Item
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Question 2
2.

Drag the following the descriptions to the correct label of physical or chemical property.

  • alcohols are flammable
  • a density of 3g/mL
  • boils at 100°C
  • decomposes in CO2
  • attracted to the south pole of a magnet
Question 3
3.

Drag the following descriptions to either chemical or physical change.

  • melting ice
  • burning popcorn
  • digesting food
  • molding clay
  • rust forming on a car
Question 4
4.

Describe the following as either heterogeneous, homogeneous, element, or compound by dragging them to the correct label.

  • Salt water
Question 5
5.

Drag the descriptions to the correct property. Some may be used more than once.

  • can be easily compressed
  • most tightly packed form of matter
  • indefinite shape
  • indefinite volume
  • solid
  • liquid
Question 6
6.

How many sig figs does this number have?

Question 7
7.

How many sig figs does this number have?

Question 8
8.

Write this number in the correct scientific notation.

Question 9
9.

Write this number in the correct scientifc notation.

Question 10
10.

Perform the following calculations and round your answers to the correct number of significant figures and/or decimal points. Answers may be in either long form or scientific notation.

Question 11
11.

Perform the following calculations and round your answers to the correct number of significant figures and/or decimal points. Answers may be in either long form or scientific notation.

Question 12
12.

Perform the following calculations and round your answers to the correct number of significant figures and/or decimal points. Answers may be in either long form or scientific notation.

Question 13
13.

Perform the following calculations and round your answers to the correct number of significant figures and/or decimal points. Answers may be in either long form or scientific notation.

Question 14
14.

Perform the following calculations and round your answers to the correct number of significant figures and/or decimal points. Answers may be in either long form or scientific notation.

Question 15
15.

Perform the following calculations and round your answers to the correct number of significant figures and/or decimal points. Answers may be in either long form or scientific notation.

Drag the term to the correct sentence or definition.
exact numbers
Properties that can be observed without changing the chemical composition of the sample of matter
matter
Describes an occurrence that has been tested under different conditions over a long period of time
pure substances
The components of this mixture can be easily seen with the naked eye and are distinguishable
heterogeneous
Anything that has mass and volume
mass
Elements and compounds are classified as this
chemical reactions
Chemical changes are also known as _____.
states
Have an infinite number of significant figures
physical properties
A ____ serves as a possible explanation to a problem.
chemistry
Solid, liquid, and gas are the three _____ of matter.
law
_____ measurements are descriptive and non-numeric.
weight
______ is the study of matter and the changes it undergoes.
accuracy
_____ is the amount of matter in an object.
qualitative
Unlike compounds that are bonded together, mixtures are ______ together.
hypothesis
The force of gravity pushing down on an object accounts for the object’s _____.
blended
How close multiple measurements are to the accepted value is known as ____.
a gas has a volume of 22.4L
physical property
chemical property
dissolving salt
chemical change
physical change
Pizza
Oil + Water
Zinc
tossed salad
Carbon dioxide
Salad
Milk
heterogeneous mixtures
homogeneous mixture
element
compound
gas