1) Loss of electrons is a) Reduction b) Oxidation c) Oxidizing agent d) Reducing agent 2) PH<7 a) Acid b) Base c) neutral 3) PH>7 a) Acid b) Base c) neutral 4) What is the pH of water? a) 4 b) 7 c) 14 d) 8 5) What element is oxidized? a) 2H2O2 b) 2H2O c) O2 d) 2H 6) Calculate the pH[ H3O ] = 1.8X10-4 M a) 3.74 b) 2.80 c) 1.00 d) 3.70 7) • Acid+base give ? a) Water b) salt and water c) water and sugar d) acid 8) What following Arrhenius Definition a) Bases accept a proton. b) Acids donate a proton. c) Acids produce H+ in solution. 9) What following lewis Bases Definition a) Base electron pair donor. b) 2-Bases accept a proton. c) 3-Bases produce OH- in solution. 10) Accoding to Bronsted-lowry which of the follow is conjugate acid a) H3o+ b) Cl- c) H2o 11) Determine which of the following is lowis acid and base a) N > Acids ,Ag >Bases b) N: >Acids ,Ag+ >Bases c) N: >Acids ,Ag>Bases 12) Increase concentration of reactant the equilibrium moves to the a) Right b) Lift c) Not moving  13) When the pressure increases on the reaction what direction does it takes a) Lift b) Right c) Not affected

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