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Chemical Reactions and Equations Quiz

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Questions and Answers

What is the process in which a substance (or substances) is changed into one or more new substances?

Balancing Chemical Equation

Law of Conservation of Mass

Decomposition Reaction

Combination Reaction (correct)

What is the chemist’s shorthand description of a reaction?

Balancing Chemical Equation

Combination Reaction

Chemical Equation (correct)

Decomposition Reaction

What is the breakdown of a compound into two or more components known as?

Decomposition of Metallic Hydroxide

Decomposition Reaction (correct)

Decomposition of Some Acids

Decomposition of Metallic Carbonate

Which law states that in a chemical reaction matter cannot be created nor destroyed?

Law of Conservation of Mass Signup and view all the answers

What is the first step in balancing a chemical equation?

Identify all the reactants and products Signup and view all the answers

What is the second step in balancing a chemical equation?

Count the number of atoms of each element Signup and view all the answers

What is a combination reaction?

A reaction in which two or more substances combine to form a single product Signup and view all the answers

What is the general formula for a combination reaction involving a metal and a nonmetal?

A + B = AB Signup and view all the answers

What is a combustion reaction?

A reaction in which a substance reacts with oxygen to produce heat and light Signup and view all the answers

What is displacement reaction?

A reaction where an element in a compound is replaced by another element Signup and view all the answers

What is the general formula for a double displacement reaction?

AB + CD = AD + CD Signup and view all the answers

What type of reaction is a neutralization reaction?

Double Displacement Reaction Signup and view all the answers

What does the empirical formula specify?

The smallest whole-number ratio of atoms of the elements in a compound Signup and view all the answers

What is stoichiometry?

The quantitative study of reactants and products in a chemical reaction Signup and view all the answers

What is the Mole Method?

An approach when we use moles to calculate the amount of product formed in a reaction Signup and view all the answers

What does the molecular formula specify?

The formula that specifies both the relative and the actual number of atoms of the elements in a compound Signup and view all the answers