Lesson 7 Investigating Reactions

What is a process that changes one set of chemicals into another set of chemicals?

• chemical reaction

• physical change

• physical property

• chemical property

What is a solid product formed from the reaction of two aqueous solutions?

• precipitate

• solute

• solvent

• solid

What is a way to describe a chemical reaction using chemical formulas and other symbols?

• chemical formula

• chemical element

• chemical equation

• chemical bond

What is a chemical substance that is present at the start of a chemical reaction?

• reactant

• product

• yields

• coefficient

What is a substance that is formed during a chemical change?

• reactant

• product

• yield

• cofficient

What is a big, whole number to the left of a chemical formula used to balance a chemical equation?

• reactant

• product

• yield

• cofficient

What is a small, whole number found below the normal line of text which tells the number of atoms of an element in a chemical formula?

• product

• subscript

• reactant

• coefficient

What is a type of chemical reaction that makes only one product?

• synthesis

• decomposition

• double replacement

• single replacment

What is a type of chemical reaction with only one reactant which breaks down into two or more simpler product?

• synthesis

• decomposition

• double replacement

• single replacement

What is a type of chemical reaction between a hydrocarbon and oxygen which products carbon dioxide and water and releases heat and light energy?

• synthesis

• combustion

• replement

• decomposition