1 Which of the following is a compound of sodium and oxygen? A Sodium oxide B Sodium chloride C Sodium hydroxide D Sodium carbonate
2 Which of the following is an example of a compound used as a food preservative? A Sodium chloride B Oxygen C Nitrogen D Hydrogen
3 Which of the following is a compound formed by carbon and hydrogen? A Carbon dioxide B Methane C Sodium chloride D Ammonia
7 Which compound is formed when sodium reacts with chlorine? A Sodium chloride B Sodium chlorate C Sodium chlorite D Sodium hypochlorite
9 Which of the following is a compound of hydrogen and oxygen? A Hydrochloric acid B Water C Hydrogen sulfide D Methane
10 Which of the following is a compound found in vinegar? A Acetic acid B Sulfuric acid C Hydrochloric acid D Nitric acid
13 What is the difference between a compound and a mixture? A A compound is chemically combined; a mixture is physically combined B A mixture is chemically combined; a compound is physically combined C There is no difference D A compound is always a gas
17 Which of the following is a compound containing nitrogen and hydrogen? A Ammonia B Methane C Water D Carbon dioxide
18 Which elements make up water? A Hydrogen and oxygen B Sodium and chlorine C Carbon and oxygen D Nitrogen and hydrogen
22 Which compound is produced when sulfur burns in air? A Sulfur dioxide B Sulfur trioxide C Sulfuric acid D Hydrogen sulfide
23 Which compound is commonly known as lime? A Calcium oxide B Calcium carbonate C Sodium hydroxide D Potassium chloride
24 Which compound is used in baking as a leavening agent? A Sodium chloride B Sodium bicarbonate C Calcium carbonate D Sodium hydroxide