Classification Of Matter Quiz

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Science Education

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Quizzes Created: 8 | Total Attempts: 31,317

Questions: 10 | Attempts: 25,259 | Updated: Dec 28, 2023

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Do you know how to classify matter? Matter on Earth usually occurs in three states: solid, liquid, and gas. Tightly packed particles compose solid matter, and a solid will retain its shape, whereas loosely packed particles make up liquid matter, adopting the form of its container. Gaseous matter usually does not have a defined shape or volume. Test your understanding of the classification of substances and discover how different materials are categorized in the realm of chemistry. Whether you're a student aiming to reinforce your knowledge or a science enthusiast curious about the building blocks of our world, Read morethis quiz offers an engaging way to explore the classification of matter. Uncover the principles that govern the composition of substances and enhance your understanding of the diverse forms matter can take. Embark on this educational journey and enrich your knowledge of the basic principles that govern the physical world.

Questions and Answers

1.

Is Mercury an element, compound, or mixture?
- A.
  
  Element
- B.
  
  Compound
- C.
  
  Mixture
- D.
  
  None
Correct Answer
A. Element

Explanation
Mercury is an element because it cannot be broken down into simpler substances through chemical reactions. It is a unique and pure substance made up of only one type of atom, specifically mercury atoms. Elements are the building blocks of all matter, and there are 118 known elements on the periodic table.

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2
2.

Is table salt, also known as sodium chloride, an element, a compound, or a mixture?
- A.
  
  Element
- B.
  
  Compound
- C.
  
  Mixture
- D.
  
  A & B
Correct Answer
B. Compound

Explanation
Table salt, also known as sodium chloride, is a compound. A compound is a substance composed of two or more elements chemically bonded together. Table salt is made up of sodium (Na) and chloride (Cl) ions that are held together by ionic bonds. This means that sodium chloride has a fixed ratio of sodium to chloride atoms, giving it a distinct chemical composition.

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3.

What type of a mixture is coffee?
- A.
  
  A homogeneous mixture
- B.
  
  A heterogeneous mixture
- C.
  
  Both
- D.
  
  None
Correct Answer
A. A homogeneous mixture

Explanation
Coffee is a homogeneous mixture because it is made up of different substances that are uniformly distributed throughout. When coffee is brewed, the water, coffee beans, and any other additives such as sugar or milk, combine to form a single phase. This means that no matter where you sample the coffee from, it will have the same composition and properties. There are no visible differences or separate phases within the mixture, making it homogeneous.

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4.

What type of mixture is air?
- A.
  
  Heterogeneous mixture
- B.
  
  Homogeneous mixture
- C.
  
  Both
- D.
  
  None
Correct Answer
B. Homogeneous mixture

Explanation
Air is considered a homogeneous mixture because it is composed of a combination of gases such as nitrogen, oxygen, carbon dioxide, and trace amounts of other gases. These gases are uniformly distributed throughout the air, resulting in a consistent composition and properties in any given sample. This means that regardless of where air is sampled from, it will have similar composition and properties, making it a homogeneous mixture.

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5.

Tap water is a ____ mixture.
- A.
  
  Homogeneous
- B.
  
  Heterogeneous
- C.
  
  Both
- D.
  
  None
Correct Answer
A. Homogeneous

Explanation
Tap water is a homogeneous mixture because it is composed of multiple substances (such as minerals, dissolved gases, and impurities) that are uniformly distributed throughout the water. This means that the composition of tap water is similar throughout, regardless of where it is sampled from.

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37
6.

Gold is a(n)
- A.
  
  Mixture
- B.
  
  Compound
- C.
  
  Element
- D.
  
  None
Correct Answer
C. Element

Explanation
Gold is a chemical element with the symbol Au and atomic number 79. It is a dense, soft, malleable, and ductile metal. Gold is a pure substance that cannot be broken down into simpler substances by chemical means.

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7.

Carbon dioxide is a
- A.
  
  Element
- B.
  
  Compound
- C.
  
  Mixture
- D.
  
  All of these
Correct Answer
B. Compound

Explanation
Carbon dioxide is a compound because it is composed of two different elements, carbon and oxygen, chemically bonded together. A compound is a substance made up of two or more elements that are chemically combined in a fixed ratio. In the case of carbon dioxide, one carbon atom is bonded to two oxygen atoms, forming a stable compound with specific properties.

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1
8.

Vegetable soup is a
- A.
  
  Compound
- B.
  
  Element
- C.
  
  Homogeneous mixture
- D.
  
  Heterogeneous mixture
Correct Answer
D. Heterogeneous mixture

Explanation
A vegetable soup is considered a heterogeneous mixture because it is made up of multiple different components that are not evenly distributed throughout the mixture. In vegetable soup, there are various vegetables, spices, and broth that are all combined together. These components can be seen and distinguished from one another, and they do not blend together to form a uniform composition.

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9.

Iron is a(n)
- A.
  
  Element
- B.
  
  Compound
- C.
  
  Homogeneous mixture
- D.
  
  None of these
Correct Answer
A. Element

Explanation
Iron is classified as an element because it is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom, specifically iron atoms. Elements are the building blocks of all matter and are listed in the periodic table. Iron is commonly found in the Earth's crust and is known for its strength and ability to form alloys with other elements.

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10.

Water can boil at 100 degrees Celsius. What type of change occurs when water reaches this temperature?
- A.
  
  A chemical change
- B.
  
  A physical change
- C.
  
  Both
- D.
  
  None
Correct Answer
B. A physical change

Explanation
Boiling water at 100 degrees Celsius is a physical change because it involves a change in the state of matter from liquid to gas, without altering the chemical composition of the water molecules. The temperature increase causes the water molecules to gain enough energy to overcome the intermolecular forces and transform from a liquid a gaseous state. This change is reversible, as the water can be cooled down to return to its liquid state without any chemical reactions occurring.

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Daniel P |MSEd, Science |

Science Education

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Current Version
Dec 28, 2023

Quiz Edited by
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Expert Reviewed by
Daniel P
Nov 08, 2011

Quiz Created by
Donfitz927

Classification Of Matter Quiz

Is Mercury an element, compound, or mixture?

Is table salt, also known as sodium chloride, an element, a compound, or a mixture?

What type of a mixture is coffee?

What type of mixture is air?

Tap water is a ____ mixture.

Gold is a(n)

Carbon dioxide is a

Vegetable soup is a

Iron is a(n)

Water can boil at 100 degrees Celsius. What type of change occurs when water reaches this temperature?