Physical/Chemical Properties Quiz

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Questions and Answers

What is a physical property?

A property that changes the substance

A property that cannot be observed directly

A property that can be seen or measured without changing the substance (correct)

A property only applicable to liquids

What are some examples of physical properties?

Color, shape, texture, luster, mass, weight, volume, density, state, flexibility, magnetism, conductivity, malleability, ductility, solubility.

What does flexibility mean?

The ability to be stretched or bent.

What does magnetism refer to?

The ability to attract things like a magnet. Signup and view all the answers

What is conductivity?

The ability to conduct electricity. Signup and view all the answers

What does malleability mean?

The ability to be shaped when hit with a hammer. Signup and view all the answers

What is ductility?

The ability to be stretched into a string. Signup and view all the answers

What does solubility mean?

The ability to dissolve in water. Signup and view all the answers

What is a chemical property?

A property that tells how the substance can form new substances when it reacts with something else. Signup and view all the answers

What are some examples of chemical properties?

Rust, flammability, reactivity. Signup and view all the answers

What is rust?

When oxygen and iron combine, this new substance is formed. Signup and view all the answers

What does flammability refer to?

The ability to burn. Signup and view all the answers

What is reactivity?

When two chemicals mix to form another chemical. Signup and view all the answers

What is a physical change?

A change in which the appearance changes but it is still the same substance. Signup and view all the answers

What is a chemical change?

A change in which a substance becomes a new substance that has different properties. Signup and view all the answers

What kind of change is the souring of milk?

Chemical Signup and view all the answers

What kind of change is shredding cheese?

Physical Signup and view all the answers

What kind of change happens when iron rusts?

Chemical Signup and view all the answers

What kind of change is wood burning?

Chemical Signup and view all the answers

What kind of change is crushing a piece of bread?

Physical Signup and view all the answers

What kind of change is eating food?

Both, physical when you chew the food, and chemical when you digest it. Signup and view all the answers

Study Notes

Physical Properties and Changes

A Physical Property is observable or measurable without altering the substance's identity.
Key Physical Properties include color, shape, texture, luster, mass, weight, volume, density, state, flexibility, magnetism, conductivity, malleability, ductility, and solubility.

Specific Physical Properties

Flexibility refers to the ability of a material to be stretched or bent.
Magnetism involves the capability to attract metallic objects.
Conductivity is the measure of a substance's ability to transmit electricity.
Malleability describes a material's ability to be deformed under compression, such as being hammered into shape.
Ductility is the ability of a substance to be stretched into wires without breaking.
Solubility is the capacity of a substance to dissolve in water.

Chemical Properties and Changes

A Chemical Property indicates how a substance can change to form new substances through a reaction.
Common Chemical Properties include rust formation, flammability, and reactivity.

Specific Chemical Properties

Rust occurs when iron reacts with oxygen, resulting in a new compound.
Flammability signifies a material’s ability to catch fire and burn.
Reactivity is the ability of two substances to interact and form new chemical products.

Types of Changes

Physical Change: An alteration where the substance's appearance changes without transforming into a different substance.
Chemical Change: A transformation resulting in the formation of one or more new substances with different properties.

Examples of Changes

Souring of milk is classified as a Chemical Change.
Shredding cheese exemplifies a Physical Change.
Iron rusting represents a Chemical Change.
Wood burning is also a Chemical Change.
Crushing bread is an example of a Physical Change.
Eating food involves both types of change: Physical Change during chewing and Chemical Change during digestion.

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Description

Test your knowledge on the physical and chemical properties of matter with this engaging quiz. Learn about various properties and changes that substances can undergo without altering their identity. Perfect for students studying chemistry or related fields.