Unit 1 Mixed Practice V2

Unit 1 Mixed Practice

Bromfield Honors Chemistry

​Classification of Matter

​

Multiple Choice

Which of the following terms best describes the sample of matter illustrated here?

• compound

• homogeneous mixture

• element

• heterogeneous mixture

Multiple Choice

Which of the following correctly describes the sample of matter illustrated here?

• A pure substance that is a compound

• homogeneous mixture of an element and a compound

• A pure substance that is an element

• A heterogeneous mixture of two e

• A heterogeneous mixture of an element and a compound

Multiple Choice

Classify the matter pictured

• A pure substance that is an element

• A pure substance that is a compound

• Mixture of elements

• Mixture of compounds

• Mixture of elements and compounds

Multiple Choice

Which of the following terms best describes the sample of matter illustrated here?

• A pure substance that is an element

• A pure substance that is a compound

• Mixture of elements

• Mixture of compounds

• Mixture of elements and compounds

​Measurements and Significant Figures

​

Multiple Choice

What is the correct answer for the calculation below, reported with an appropriate number of significant figures?

 1.31 cm x 2.3 cm

• 3.013 cm²

• 3.01 cm²

• 3.02 cm²

• 3.0 cm²

Multiple Choice

What is the measurement using the correct number of sig. figs.?

• 39.5 mL

• 40 mL

• 39 mL

• 40.0 mL

Multiple Choice

How many significant figures does the following number have: 2001800.

• 1

• 4

• 6

• 7

Drag and Drop

The measurement  100.00210 s has

Placeholder

significant figures

Drag these tiles and drop them in the correct blank above

8

7

5

10

1

2

3

4

6

9

Multiple Choice

To convert from ^oC to Kelvin, which equation should you use?

• ^oC + 273.15

• ^oC - 273.15

• ^oC x 273.15

• K + 273.15

Multiple Choice

Which of the following choices best represents the length reading from the metric ruler pictured?

• 0.8 cm

• 0.80 cm

• 0.800 cm

• 8 cm

Dropdown

How close a measurement is to the true value for the quantity is called

Select answer

Multiple Choice

A mechanical pencil has the density of 3.000 g/cm³.  The volume of the pencil is 15.8 cubic centimeters.  What is the mass of the pencil?

• 47.4 g

• 50 g

• 0.190  g

• 5.27 g

• 47 g

Multiple Choice

The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error, reported with the correct number of significant figures?

• 21%

• 17.37%

• 17%

• 21.0%

Multiple Choice

What is the volume of the liquid in this graduated cylinder?

• 65ml

• 65.5ml

• 65.0ml

• 64.7ml

Multiple Choice

The density of a substance is 2.6 g/mL. If you cut it in half, what is the density of one of the halves?

• 2.6 g/mL

• 1.3g/mL

• 5.2g/mL

• None of these choices

​Lab Equipment

​

Multiple Choice

Identify the equipment shown here:

• concave glass

• convex glass

• watch glass

• glass plate

Multiple Choice

What separation method is illustrated here?

• distillation

• filtration

• evaporation

• chromatography

Multiple Choice

Identify the equipment shown here:

• wire gauze

• flame spreader

• sieve

• mesh

Multiple Choice

• crucible tongs

• beaker tongs

• forceps

• tweezers

Multiple Choice

Which of the following shows a buret?

Match

Match the following pieces of lab equipment to the correct term

volumetric flask

Erlenmeyer flask

watch glass

evaporating dish

crucible and cover

• volumetric flask

• Erlenmeyer flask

• watch glass

• evaporating dish

• crucible and cover

​Properties of Matter

​

Multiple Choice

Classify the following as either a physical property or a chemical property: Mass

• Physical property

• Chemical property

Multiple Choice

Classify the following as either a physical property or a chemical property: Flammability

• Physical property

• Chemical property

Multiple Choice

Classify the following as either a physical change or a chemical change: a metal chain rusts

• Physical change

• Chemical change

Multiple Choice

Which diagram shows the MOST dense object?

• left

• center

• right

Multiple Choice

Classify the following as either a physical change or a chemical change: burning magnesium

• Physical change

• Chemical change

Multiple Choice

Determine if the following is an intensive or an extensive property: Length

• Intensive property

• Extensive property

Multiple Choice

Classify the following as either a physical property or a chemical property: Color

• Physical property

• Chemical property

Multiple Choice

Classify the following as either a physical property or a chemical property: Combustibility

• Physical property

• Chemical property

Multiple Choice

Classify the following as either a physical change or a chemical change: the melting of lead

• Physical change

• Chemical change

Reorder

Rank the objects from MOST dense to LEAST dense.

1

2

3

• 1
• 2
• 3

Multiple Choice

Determine if the following is an intensive or an extensive property: Density

• Intensive property

• Extensive property

Multiple Choice

Determine if the following is an intensive or an extensive property: Mass

• Intensive property

• Extensive property

Multiple Choice

Which term best describes the composition of the soup shown here?

• Heterogeneous mixture

• Homogeneous mixture

• Pure substance

​Mixed Practice

​

Multiple Choice

What is the measurement using the correct number of sig. figs.?

• 8.5mL

• 8.50mL

• 8.45mL

• 8.4mL

Multiple Choice

How close a set of measurements is to one another, regardless of whether the measurements are correct is referred to as ____.

• accuracy 

• precision

Multiple Choice

Determine if the following is an intensive or an extensive property: Boiling point

• Intensive property

• Extensive property

Multiple Choice

Which of the following shows a volumetric flask?

Multiple Choice

• crucible and cover

• cup and lid

• clay triangle

• evaporating dish

Multiple Choice

How many significant figures are in the measurement below?

0.456 g

• 3

• 4

• 2

• 1

Multiple Choice

Calculate 5.50 cm + 5.5 cm and give your answer with the appropriate number of significant figures.

• 11 cm

• 11.0 cm

• 11.00 cm

• 11.000 cm

Multiple Choice

Classify the matter pictured

• Element

• Compound

• Mixture of two elements

• Mixture of two compounds

• Mixture of an element and a compound

Multiple Choice

What is the measurement using the correct number of sig. figs.?

• 89cm

• 88.9cm

• 88.90cm

• 88cm

Multiple Choice

If the beams are balanced with the riders in the positions shown, what is the total mass of the object?

• 545.2g

• 540.52g

• 540.2g

• 545.20g

Multiple Choice

Frank has an eraser. It has a mass of 4g, and a volume of 2cm³. What is its density?

• 8 g/cm³

• 2 g/cm³

• 1/2 g/cm³

• 24 g/cm³

Multiple Choice

I have two objects with the same volume but different masses.  Which object will be more dense?

• The object with less weight.

• The object with more weight.

• The object with more mass.

• The object with less mass.

Multiple Choice

What is the volume of 150 grams of lead if it has a density of 11.3 g/cm³? Report your answer with an appropriate number of significant figures

• 13.3 g

• 13.3 cm³

• .075 g

• 1695 cm³

• 13 cm³

Multiple Choice

How close a measurement is to the accepted value is called..

• Accuracy

• Precision

• Significant

• Estimate

Multiple Choice

When a measurement is repeatable and consistent it is said to have...

• High precision

• Low precision

• High accuracy

• Low accuracy

Multiple Choice

Which of the following choices best represents the mass reading from the triple beam balance pictured?

• 499 g

• 498.9 g

• 498.98 g

• 498.980 g

Match

Match each illustration with the correct separation method

distillation

filtration

chromatography

• distillation

• filtration

• chromatography

Multiple Choice

What lab equipment is shown here?

• buret

• Erlenmeyer flask

• graduated cylinder

• beaker

Multiple Choice

Which of the following choices best represents the volume reading from the graduated cylinder pictured?

• 61 mL

• 61.5 mL

• 67 mL

• 67.0 mL

Multiple Choice

What piece of lab equipment is shown here?

• watch glass

• crucible 

• clay triangle

• evaporating dish

Multiple Choice

What is 283.9 K in the Celsius scale, reported with appropriate precision?

• 10.8 ^oC

• -10 ^oC

• 11 ^oC

• 557.2 ^oC

• 10.75 ^oC

Multiple Choice

Identify the equipment shown here:

• beaker

• Erlenmeyer flask

• Florence flask

• volumetric flask

Multiple Choice

Jessie estimates the weight of her cat to be 8.0 pounds.  The actual weight of the cat was 10.00 pounds.  Find the percent error.  

• 15%

• 20.%

• 25%

• 30%

• 20%