Physical & Chemical Changes

Front

What is solubility?

Back

Solubility is the ability of a substance to dissolve in a solvent, resulting in a physical change.

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What is a reactant in a chemical formula?

Back

A reactant is a substance present before a chemical reaction, located to the left of the arrow in a chemical equation.

Front

What happens when you rip up paper?

Back

Ripping up paper is a physical change because the paper's composition remains the same.

Front

What causes a change in temperature during a reaction?

Back

A change in temperature is caused by a chemical reaction, indicating that energy is being absorbed or released.

Front

What is a change in phase or state of matter?

Back

A change in phase or state of matter, such as melting or freezing, is a physical change.

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances.

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What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

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What is an example of a chemical change?

Back

An example of a chemical change is rust forming on iron when it reacts with oxygen.

Front

What is an example of a physical change?

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An example of a physical change is ice melting into water.

Front

What is the difference between a reactant and a product?

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A reactant is a starting substance in a chemical reaction, while a product is a substance formed as a result of the reaction.