Chemistry Revision

• What do acids produce in water?


  Hydrogen ions (H+)
• What color does blue litmus paper turn in the presence of an acid?


  Red
• What do bases produce in water?


  Hydroxide ions (OH-)
• What color does red litmus paper turn in the presence of a base?


  Blue
• What is the definition of neutralization?


  A chemical reaction between an acid and a base that forms water and a salt
• What happens to the H+ ions from the acid during neutralization?


  They combine with OH- ions from the base to form water (H2O)
• What is the pH of the resulting solution after a neutralization reaction?


  Close to 7 (neutral)
• What are the two main products of neutralization reactions?


  Water (H2O) and salt