Types of Chemical Reactions

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What is a synthesis (combination) reaction?

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

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What is a combustion reaction?

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A chemical reaction that involves the reaction of a substance with oxygen, producing heat and light, typically resulting in water and carbon dioxide.

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What is a single replacement reaction?

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

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What is a double replacement reaction?

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

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What are the signs of a chemical reaction?

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Signs include color change, temperature change, gas production (bubbles), and formation of a precipitate.

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What is effervescence in the context of chemical reactions?

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Effervescence refers to the formation of bubbles in a liquid, indicating a gas is being produced during a chemical reaction.

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What is the role of oxygen in combustion reactions?

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Oxygen is a reactant that combines with a fuel to produce energy, water, and carbon dioxide.

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What is an example of a synthesis reaction?

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The reaction of silicon (Si) with sulfur (S8) to form silicon sulfide (Si2S4).

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What is an example of a decomposition reaction?

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The breakdown of hydrogen peroxide (H2O2) into water (H2O) and oxygen (O2).