Test On States Of Matter! Chemistry Quiz

2.

Which of the following is an amorphous solid?

Ice
Diamond
Rubber
Sand

Correct Answer

A. Rubber

Explanation

Rubber is an amorphous solid because it lacks a regular, repeating crystalline structure. Unlike ice, diamond, and sand, which have well-defined crystal structures, rubber is made up of long, tangled polymer chains that are randomly arranged. This random arrangement gives rubber its unique properties, such as flexibility and elasticity.

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3.

Which of the following states of matter has surface tension?

Solid
Liquid
Gas
Plasma

Correct Answer

A. Liquid

Explanation

Liquid is the correct answer because surface tension is a property that arises due to the cohesive forces between molecules at the surface of a liquid. These cohesive forces cause the liquid to behave as if it has a thin, elastic skin on its surface, allowing it to resist external forces and form droplets. In contrast, solids have a fixed shape and do not exhibit surface tension, gases have weak intermolecular forces and therefore do not have surface tension, and plasma is a highly ionized state of matter where the cohesive forces are disrupted, so it also does not have surface tension.

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4.

Which one of the following states of matter is made of charged particles at high temperatures?

Solid
Liquid
Gas
Plasma

Correct Answer

A. Plasma

Explanation

Plasma is the correct answer because it is a state of matter that consists of charged particles at high temperatures. Unlike solids, liquids, and gases, plasma is ionized and conducts electricity due to the presence of free electrons and ions. It is commonly found in stars, lightning, and neon lights.

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5.

Which of the following liquids has the greatest viscosity?

Water
Alcohol
Syrup
Mercury

Correct Answer

A. Syrup

Explanation

Syrup has the greatest viscosity among the given liquids. Viscosity refers to a liquid's resistance to flow. Syrup is thicker and more resistant to flowing compared to water, alcohol, and mercury. This is because syrup is a highly concentrated solution of sugar in water, which increases its viscosity. Water and alcohol have lower viscosities, while mercury, being a dense metal, has a relatively low viscosity as well.

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6.

Some insects can walk on water due to its surface tension.

True
False

Correct Answer

A. True

Explanation

Surface tension is a property of liquids that causes the surface to behave like a thin, elastic sheet. In the case of water, the surface tension is strong enough to support the weight of small insects, allowing them to walk on it without sinking. This phenomenon is observed in insects like water striders, which have specialized legs that distribute their weight evenly and take advantage of the water's surface tension. Therefore, it is true that some insects can walk on water due to surface tension.

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7.

The resistance to flowing is a measure of…

Surface tension
Temperature
Thermal energy
Viscosity

Correct Answer

A. Viscosity

Explanation

Viscosity is the measure of a fluid's resistance to flowing. It is a property of fluids that determines how easily they flow or how resistant they are to deformation. A fluid with high viscosity is thick and flows slowly, while a fluid with low viscosity is thin and flows easily. Surface tension is the force that acts on the surface of a liquid and causes it to form droplets, but it is not directly related to the resistance to flowing. Temperature and thermal energy can affect viscosity, but they are not the measure of it.

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8.

A solid that has an orderly pattern of atoms is said to be ...

Crystalline
Amorphous
A liquid
Plasma

Correct Answer

A. Crystalline

Explanation

A solid that has an orderly pattern of atoms is referred to as crystalline. In a crystalline solid, the atoms are arranged in a regular and repeating pattern, forming a crystal lattice structure. This organized arrangement gives the solid its characteristic properties such as a definite shape, distinct melting and boiling points, and the ability to form well-defined crystal faces. Examples of crystalline solids include salt, diamond, and quartz.

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9.

Heat and thermal energy are the same except that ...

Heat is hotter
Heat flows
Thermal energy flows
Thermal energy is matter

Correct Answer

A. Heat flows

Explanation

Heat and thermal energy are related but not exactly the same. Heat refers to the transfer of thermal energy from one object to another due to a temperature difference. It is the process of energy transfer. On the other hand, thermal energy is the total kinetic and potential energy of the particles within a substance. It is a form of internal energy possessed by an object. Therefore, while thermal energy exists within an object, heat is the flow or transfer of that thermal energy.

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10.

Which measurement is an average value for kinetic energy?

Thermal energy
Heat
Temperature
Viscosity

Correct Answer

A. Temperature

Explanation

Temperature is an average value for kinetic energy because it measures the average kinetic energy of the particles in a substance. Temperature is a measure of the average speed and motion of the particles, and kinetic energy is directly related to the speed and motion of particles. Therefore, temperature can be considered as an average value for kinetic energy.

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11.

Why does the sidewalk get hotter in summer than the grass?

Concrete has a low specific heat.
Grass has a low specific heat.
Grass has a higher viscosity.
Concrete contains water vapor.

Correct Answer

A. Concrete has a low specific heat.

Explanation

Concrete has a low specific heat, which means it requires less energy to raise its temperature compared to grass. As a result, during summer, when the sun's heat is absorbed by both the sidewalk and the grass, the concrete heats up more quickly than the grass. This is why the sidewalk gets hotter in summer than the grass.

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12.

Which term refers to water becoming ice?

Condensation
Melting
Sublimation
Freezing

Correct Answer

A. Freezing

Explanation

Freezing refers to the process in which water changes from its liquid state to a solid state, specifically ice. During freezing, the molecules of water slow down and come closer together, forming a rigid structure. This is a physical change that occurs when the temperature of water drops below its freezing point, which is 0 degrees Celsius or 32 degrees Fahrenheit.

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13.

Which term refers to the formation of dew on the grass?

Condensation
Sublimation
Vaporization
Precipitation

Correct Answer

A. Condensation

Explanation

Condensation refers to the process by which water vapor in the air cools and transforms into liquid water. When the temperature of the grass drops below the dew point, water vapor in the air condenses onto the grass, forming dew. Therefore, condensation is the correct term for the formation of dew on the grass.

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14.

Gaseous water that comes from boiling is steam. Gaseous water that is below the boiling point is called what?

Plasma
Vapor
Liquid
Amorphous

Correct Answer

A. Vapor

Explanation

When water is in its gaseous state below the boiling point, it is referred to as vapor. Vapor is the term used to describe the gaseous form of a substance that is typically a liquid or solid at room temperature. In this case, since water is normally a liquid at room temperature, the gaseous form of water below the boiling point is called vapor.

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Test On States Of Matter! Chemistry Quiz

Which of the following is not in the solid-state?

Quiz Preview

Which of the following is an amorphous solid?

Which of the following states of matter has surface tension?

Which one of the following states of matter is made of charged particles at high temperatures?

Which of the following liquids has the greatest viscosity?

Some insects can walk on water due to its surface tension.

The resistance to flowing is a measure of…

A solid that has an orderly pattern of atoms is said to be ...

Heat and thermal energy are the same except that ...

Which measurement is an average value for kinetic energy?

Why does the sidewalk get hotter in summer than the grass?

Which term refers to water becoming ice?

Which term refers to the formation of dew on the grass?

Gaseous water that comes from boiling is steam. Gaseous water that is below the boiling point is called what?