Types of  Chemical Reactions

Types of Chemical Reactions

Assessment

Flashcard

Science

9th - 10th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

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. Examples include changes in state (like melting or freezing), shape, or size.

2.

FLASHCARD QUESTION

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. It involves breaking and forming bonds between atoms. Examples include rusting of iron and burning of wood.

3.

FLASHCARD QUESTION

Front

What is decomposition in chemistry?

Back

Decomposition is a type of chemical reaction where a single compound breaks down into two or more simpler substances.

4.

FLASHCARD QUESTION

Front

What is a synthesis reaction?

Back

A synthesis reaction is a type of chemical reaction in which two or more reactants combine to form a single product.

5.

FLASHCARD QUESTION

Front

What is a double replacement reaction?

Back

A double replacement reaction is a type of chemical reaction where two compounds exchange ions or bonds to form two new compounds.

6.

FLASHCARD QUESTION

Front

What is combustion?

Back

Combustion is a chemical reaction that occurs when a substance reacts rapidly with oxygen, releasing energy in the form of light and heat.

7.

FLASHCARD QUESTION

Front

What is an example of a physical change?

Back

An example of a physical change is getting a haircut, where the hair's physical appearance changes but its chemical composition remains the same.

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