Acid and Base Review

A substance that slows down or stops a chemical reaction is called a(n)______________.

• concentrate

• catalyst

• inhibitor

• product

In which type of reaction do ions in two compounds switch places?

• synthesis

• decomposition

• single replacement

• double replacement

A chemical reaction in which energy is absorbed is ______________.

• an endothermic reaction

• an exothermic reaction

• a single replacement reaction

• a double replacement reaction

Tags

NGSS.HS-PS1-4

Which phrase describes what happens to atoms in a chemical reaction?

• never lost or gained, just rearranged

• sometimes lost, never rearranged

• sometimes lost, gained, or rearranged

• lost or gained, never rearranged

Tags

NGSS.HS-PS1-7

The minimum amount of energy needed for substances to react is called__________.

• Activation Energy

• Catalyst Energy

• Endothermic Energy

• Exothermic Energy

Tags

NGSS.HS-PS1-4

An increase in the amount of hydrogen ions in a solution ____ the pH.

• raises

• lowers

• does not affect

• doubles

Which is are characteristics of acids?

• Turns litmus paper red

• Turns litmus paper blue

Which is are characteristics of acids?

• Taste bitter

• Taste sour

Which is are characteristics of acids?

• Turns Phenol Red indicator yellow

• Turns Phenol Red indicator pink

Which is are characteristics of bases?

• Turns litmus paper red

• Turns litmus paper blue