FREE CHEMISTRY AND STUDY GAMES ABOUT MATTER

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FREE CHEMISTRY AND STUDY GAMES ABOUT MATTER

TEST Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -122 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Freezing Point or Melting Point?

Answer:

Freezing Point: The temperature at which the liquid freezes to become a solid; Melting Point: The temperature at which the solid melts to become a liquid. For each substance, freezing point=melting point.

Question 2: What are properties of matter?

Answer:

How we describe and classify matter

Question 3: The transformation from a liquid to a gas is called what?

Answer:

Evaporation

Question 4: Is pH a physical or chemical property? Intensive or extensive?

Answer:

Chemical; It doesn't have extensive or intensive properties

Question 5: What are some characteristics of the molecules and atoms of a solid?

Answer:

Together, compact, organized, slow speed

Question 6: Mass?

Answer:

Amount of matter in an object Question 7: Matter is split into two types of substances. What are these substances?

Answer:

Pure substances and mixtures

Question 8: Is an element a Homogeneous Mixture or a Heterogeneous Mixture?

Answer:

Homogeneous Mixture

Question 9: Where are all the elements listed?

Answer:

Period Table of Elements

Question 10: What are molecules?

Answer:

The smallest possible particle of a compound

Question 11: Magnetism?

Answer:

A property conducted by the motion of electric charge, resulting in attractive and repulsive forces between objects

Question 12: What are some examples of a Homogeneous Mixture?

Answer:

Whole milk, lemonade, brass

Question 13: Is toxicity a physical or chemical property? Intensive or extensive?

Answer:

Chemical; It doesn't have extensive or intensive properties Question 14: Can mixtures be separated into their components by a physical reaction or a chemical reaction?

Answer:

Both, they can be separated physically or chemically

Question 15: What is an example of condensation?

Answer:

After the water is evaporated from the ground or lake and it turns into a gas and goes into the clouds, the gas turns back into a liquid because it turns into rain; glass sweating

Question 16: What is the difference between vaporization and sublimation?

Answer:

Vaporization is when a liquid turns into a gas while sublimation is when solid turns into a gas

Question 17: Reactivity?

Answer:

The rate at which a chemical substance tends to undergo a chemical reaction

Question 18: Mixtures that are uniform are called what?

Answer:

Homogeneous Mixtures

Question 19: The transformation from a gas to a liquid is called what?

Answer:

Condensation

Question 20: What is an element?

Answer:

Contain only one type of matter. It cannot be separated into simpler materials. Can be found on the periodic table.

Question 21: Is boiling point a physical or chemical property? Intensive or extensive?

Answer:

Physical; Intensive

Question 22: What is matter?

Answer:

Anything that has mass and takes up space (volume)

Question 23: How would you separate Iron and Sugar?

Answer:

Hold a magnet above to take out all the Iron Fillings

Question 24: Tensile Strength?

Answer:

Measures how hard it is to break something by pulling it. Important property of wires.

Question 25: What is a mixture?

Answer:

A combination of two or more pure substances that are not chemically combined. They are physically combined and can be easily separated by physical means. Such as filtering, cooling, sorting, or heating.Question 26: Is magnetism a physical or chemical property? Intensive or extensive?

Answer:

Physical; Intensive Question 27: The Dead Sea's density is 1.166 g/mL and regular freshwater lakes have a density of 1.00 g/mL. Which would it be more easier to float in and why?

Answer:

The Dead Sea because it has a higher density so it would be easier to float on

Question 28: What is an example of melting?

Answer:

An ice cub melting into a liquid