Chemical Reactions

Front

What are products in a chemical reaction?

Back

Products are the substances that are formed as a result of a chemical reaction, found on the right side of a chemical equation.

Front

What is a chemical change?

Back

A chemical change is a process where a substance transforms into a different substance with different properties, such as rusting of iron.

Front

What are reactants in a chemical reaction?

Back

Reactants are the starting substances that undergo a chemical change, found on the left side of a chemical equation.

Front

How can you identify that a chemical reaction has occurred?

Back

You can identify a chemical reaction by observing the formation of one or more new chemical products.

Front

What is the best definition of a chemical change?

Back

A chemical change is a change in which a material transforms into an entirely different material with properties that differ from the original.

Front

What happens to bonds during a chemical reaction?

Back

In a chemical reaction, bonds between atoms are broken and new bonds are formed, resulting in the creation of new substances.

Front

What is an example of a physical change?

Back

Dissolving salt in water is an example of a physical change, as the salt can be recovered.

Front

What is an example of a chemical change?

Back

The rusting of iron is an example of a chemical change, as it results in the formation of a new substance.

Front

What is a catalyst?

Back

A catalyst is a substance that speeds up a chemical reaction without being consumed in the process.

Front

What is the law of conservation of mass?

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The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction; the total mass of reactants equals the total mass of products.