Reactions Vocab Quiz

What is a balanced equation?

• A chemical equation where mass is conserved

• A chemical equation with unequal atoms on each side

• A chemical equation with no reactants

• A chemical equation with no products

What does a chemical equation represent?

• The relationship between reactants and products using symbols

• The physical appearance of reactants

• The taste of the products

• The color of the reactants

What is a chemical reaction?

• A process where atoms are rearranged to create new substances

• A process where atoms disappear

• A process where atoms remain unchanged

• A process where atoms are destroyed

What is decomposition in chemistry?

• A reaction that breaks down compounds into simpler products

• A reaction that combines elements

• A reaction that creates complex compounds

• A reaction that does not change compounds

What is a double replacement reaction?

• A chemical change involving an exchange of positive ions between two compounds

• A chemical change involving no exchange of ions

• A chemical change involving only one compound

• A chemical change involving negative ions only

What does the law of conservation state?

• Matter is not created nor destroyed in any chemical or physical change

• Matter is always created in chemical reactions

• Matter is always destroyed in physical changes

• Matter is irrelevant in chemical reactions

What is a product in a chemical reaction?

• A substance produced in a chemical reaction

• A substance that starts a chemical reaction

• A substance that remains unchanged

• A substance that is irrelevant to the reaction

What is a reactant?

• A chemical substance present at the start of a chemical reaction

• A chemical substance produced at the end of a reaction

• A chemical substance that does not participate in the reaction

• A chemical substance that is irrelevant to the reaction

What is a single replacement reaction?

• A chemical change where one element replaces a second element in a compound

• A chemical change where no elements are replaced

• A chemical change where two elements are replaced

• A chemical change where elements are destroyed

What is synthesis in chemistry?

• Two substances combine to form one substance

• One substance breaks into two

• Two substances remain separate

• Two substances are destroyed