Chemistry Test 4 Final Exam Study Guide Flashcards Questions and Answers 2023

A metal oxide will form an acid when it is dissolved in water. - -False -Rainwater has a pH below 7 because raindrops absorb CO_2 which can react with water to form carbonic acid. - -True -Antacids are basic compounds. - -True -An oxidation reaction often occurs without a corresponding reduction reaction. - -False -In an electrochemical cell, oxidation takes place at the cathode. - -False -Corrosion of batteries is caused by the reduction of metals. - -False -Naturally occurring reactions of Oxygen (O_2) are always desirable. - -False -In food chemistry, reducing agents are sometimes referred to as antioxidants. - -True -If a compound is a base according to the Arrhenius definition, it will also be a base according to the Bronsted-Lowry definition. - -True -The destructive power generated by an explosive mixture results from the rapid expansion of gaseous products. - -True -Lemon Juice has a sour taste and turns litmus to red. Lemon Juice is - -acidic -Which of the following is/are characteristic(s) of bases? (*is answer) - -A) Taste Bitter B) Reacts with acids to form salts C) Produce hydroxide ions when added to water D) All are characteristics of bases * -H_3O^+ is the - -hydronium ion -A solution with a pH of 3 has a hydronium ion concentration of - -10^-3 mol/L -Sulfuric acid is the leading chemical produced and used industrially. What is the formula for sulfuric acid? - -H_2SO_4