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Unit 1 Matter Regents Practice

Authored by Denise Carlson

Chemistry

10th Grade

NGSS covered

Unit 1 Matter Regents Practice
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22 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram below represents a Celsius thermometer recording a certain temperature.

What is the correct reading of the thermometer?

5°C

4.3°C

0.3°C

4°C

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student found the volume of a liquid to be:

Trial 1: 14.9 mL

Trial 2: 15.1 mL

Trial 3: 15.0 mL

The actual amount of liquid was 19.9mL. Which statement best describes the student's data?

Both Accurate and Precise

Accurate but not Precise

Precise but not Accurate

Neither Accurate nor Precise

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram represents a metal bar and two centimeter rulers, A and B. Portions of the rulers have been enlarged to show detail.

What is the greatest degree of precision to which the metal bar can be measured by ruler A and by ruler B?

to the nearest tenth by both rulers

to the nearest hundredth by both rulers

to the nearest tenth by ruler A and to the nearest hundredth by ruler B

to the nearest hundredth by ruler A and to the nearest tenth by ruler B

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student measures the mass and volume of a sample of copper (Cu). The mass is 48.9 grams and the volume is 5.00 cubic centimeters. The student calculates the density of the sample. What is the percent error of the student's calculated density?

7.4%

8.4%

9.2%

10.2%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which list of formulas represents compounds, only?

NaCl, H₂O, CO

H₂, N₂, O₂

H₂, Ne, NaCl

MgO, NaCl, O₂

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two grams of potassium chloride (a type of salt) are completely dissolved in a sample of water in a beaker. This solution is classified as

A) an element

B) a compound

C) a homogeneous mixture

D) a heterogeneous mixture

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two substances, A and Z, are to be identified. Substance A can not be broken down by a chemical change. Substance Z can be broken down by a chemical change. What can be concluded about these substances?

Both substances are elements.

Both substances are compounds.

Substance A is an element and substance Z is a compound.

Substance A is a compound and substance Z is an element.

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