A7 A9 Q3-b. Consider the following Table and answer the question (7 to 15) Test Tube or Reagent AL A2 A3 A4 A5 A6 A8 # Chemical Mg CuSO: HNO, Na2SO, NHACI HCl NaOH Na:$0. 0.01 0.05 Information 1g 0.1 M Conc. 0.1 M 0.1 M M M 0.1 M Cu 0.58 b- A4 and A6 d-A8 and A7 7- The sulfur dioxide gas generated when the reaction occurred between test tubes: A2 and A7 C- A8 and A6 8- When test tube Al added to the test tube A6, the reaction type is: a- single displacement reaction - Acid and base reaction b-oxidation-reduction reaction d-a+b