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Which type of chemical reaction involves two or more substances combining to form a single new substance?
Which type of chemical reaction involves two or more substances combining to form a single new substance?
What is the general form of a combination reaction?
What is the general form of a combination reaction?
In which type of chemical reaction does a compound break down into two or more atoms?
In which type of chemical reaction does a compound break down into two or more atoms?
What happens in a single-replacement reaction?
What happens in a single-replacement reaction?
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What type of reaction is characterized by the general form: A + BC → AC + B?
What type of reaction is characterized by the general form: A + BC → AC + B?
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Which type of chemical reaction involves two compounds exchanging ions to form two new compounds?
Which type of chemical reaction involves two compounds exchanging ions to form two new compounds?
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Which type of reaction involves two or more ions in a compound being exchanged with ions from another compound?
Which type of reaction involves two or more ions in a compound being exchanged with ions from another compound?
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What type of reaction forms light and heat in the form of fire when a substance reacts with oxygen?
What type of reaction forms light and heat in the form of fire when a substance reacts with oxygen?
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What are substances that can change a reaction's chemical equation by reacting with the reactants and forming new products called?
What are substances that can change a reaction's chemical equation by reacting with the reactants and forming new products called?
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Study Notes
Chemical reactions are a type of chemical change that transforms one set of substances (the reactants) into another set of substances (the products) . There are several types of chemical reactions, and understanding these types is important for predicting the products and balancing chemical equations. The five basic types of chemical reactions are combination, decomposition, single-replacement, double-replacement, and combustion .
- Combination Reactions: Combination reactions, also known as synthesis reactions, are a type of chemical reaction in which two or more substances combine to form a single new substance . The general form of a combination reaction is:
A + B → AB
A typical example of a combination reaction is the formation of table salt, where sodium and chlorine ions interact to form sodium chloride .
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Decomposition Reactions: Decomposition reactions are the process in which a compound breaks down into two or more atoms . The simplest kind of decomposition reaction is when a binary compound decomposes into its elements. Mercury (II) oxide, a red solid, decomposes when heated to produce mercury and oxygen gas .
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Single-Replacement Reactions: Single-replacement reactions, also known as single displacement reactions, are a type of chemical reaction in which a new element takes the place of another element in a compound . The general form of a single-replacement reaction is:
A + BC → AC + B
- Double-Replacement Reactions: A double-replacement reaction, also known as a double displacement reaction, is a type of chemical reaction in which two or more ions in a compound are ex-swic-ked with ions from another compound . The general form of a double-replacement reaction is:
AB + BC → AC + B
- Combustion Reactions: Combustion reactions are a type of chemical reaction in which a substance reacts with oxygen, forming light and heat in the form of fire .
Chemical reactions can also be classified as exothermic or exothermic, which is a reaction that occurs when energy is given to the reactants and the reaction is an exothermic reaction, or when energy is given to the reactants and the reaction is an exothermic reaction .
Chemical reactions can be catalysts, which are substances that can change the reaction's chemical equation by reacting with the reactants and forming new products, which can be different from the products of the reaction in the given chemical equation .
Chemical reactions can also be classified as acid-base reactions, redox reactions, and condensation reactions .
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Description
Test your knowledge of chemical reactions and their classifications with this quiz. Explore the five basic types of chemical reactions: combination, decomposition, single-replacement, double-replacement, and combustion. Understand important concepts such as exothermic and endothermic reactions, catalysts, acid-base reactions, redox reactions, and condensation reactions.
