Types of Chemical Reactions

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

What type of reaction is this?

• a synthesis reaction

• a decomposition reaction

• a single replacement reaction

• a double replacement reaction

• a combustion reaction

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Chemical Reactions

Which of the following is a decomposition reaction?

• 2H₂O > 2H₂ + O₂

• Fe + CuSO₄ > FeSO₄ + Cu

• Cu + SO₄ > CuSO₄

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Chemical Reactions

What is an exothermic reaction?

• A reaction that absorbs energy.

• A reaction that releases energy.

• A reaction that happens by itself.

• A reaction that contains energy.

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Chemical Reactions

What is an endothermic reaction?

• A reaction that absorbs energy.

• A reaction that releases energy.

• A reaction that happens by itself.

• A reaction that contains energy.

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Chemical Reactions

What is a combustion reaction?

• When chemicals react with fire.

• An explosive reaction.

• fuel + oxygen --> water + carbon dioxide

• fuel + carbon dioxide --> water + oxygen

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Chemical Reactions

Which of the following represents a synthesis reaction?

• A + B > AB

• AB > A + B

• A + BC > AB + C

• AB + CD > AC + BD

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Chemical Reactions

Which of the following is a synthesis reaction?

• 2H₂O > 2H₂ + O₂

• Fe + CuSO₄ > FeSO₄ + Cu

• Cu + SO₄ > CuSO₄

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Chemical Reactions

Which of the following represents a decomposition reaction?

• A + B > AB

• AB > A + B

• A + BC > AB + C

• AB + CD > AC + BD

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Chemical Reactions

Which of the following represents a single replacement reaction?

• A + B > AB

• AB > A + B

• A + BC > AB + C

• AB + CD > AC + BD

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Chemical Reactions