Chemical Reactions Practice

Front

What is a chemical reaction?

Back

A process in which substances (reactants) undergo a transformation to form new substances (products).

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What are reactants in a chemical reaction?

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The starting materials that undergo change during a chemical reaction.

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What are products in a chemical reaction?

Back

The substances that are formed as a result of a chemical reaction.

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What is the law of conservation of mass?

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In a chemical reaction, mass is neither created nor destroyed; it remains constant.

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What is a synthesis reaction?

Back

A type of chemical reaction where two or more reactants combine to form a single product.

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What is a decomposition reaction?

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A type of chemical reaction where a single compound breaks down into two or more simpler products.

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What is a single replacement reaction?

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A type of chemical reaction where one element replaces another in a compound.

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What is a double replacement reaction?

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

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What is combustion?

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A chemical reaction that occurs when a substance combines with oxygen, releasing energy in the form of light and heat.

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How do you balance a chemical equation?

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By ensuring that the number of atoms of each element is the same on both sides of the equation.