Which one of the following is a weak acid a hno 3 b

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25. Which one of the following is a weak acid? a. HNO 3 b. HCl c. HI d. HF e. HClO 4 26. Ca(OH) 2 is a __________. 27. The compound HClO 4 is a __________. 28. HNO 2 is a __________. 29. The compound NH 4 Cl is a __________. a. strong base b. weak base c. strong acid d. weak acid e. non-electrolyte
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30. Which of the following are strong acids? 1. HI 2. HNO 3 3. HF 4. HBr 31. Ammonia is a ____________. 32. Which hydroxides are weak bases? 1. Sr(OH) 2 2. KOH 3. NaOH 4. Ba(OH) 2 33. A neutralization reaction between an acid and a metal hydroxide produces ____________. a. water and a salt b. hydrogen gas c. oxygen gas d. sodium hydroxide e. ammonia 34. Of the choices below, which would be the best for the lining of a tank intended for use in storage of hydrochloric acid? 35. One method for removal of metal ions from a solution is to convert the metal to its elemental form so it can be filtered out as a solid. Which metal can be used to remove aluminum ions from solution? 36. Of the metals below, only __________ will not dissolve in an aqueous solution containing nickel ions.
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37. The reaction of ___________ produces hydrogen gas. a. Cu with HNO 3 b. Co with HCl c. Ag with HCl d. Hg with HCl e. Au with HNO 3 38. The net ionic equation for the dissolution of zinc metal in aqueous hydrobromic acid is __________. e. 2Zn(s) + H + (aq) ¢ 2Zn 2+ (aq) + H 2 (g) 39. Based on the equations below, which metal is the most active? Pb(NO 3 ) 2 (aq) + Ni(s) ¢ Ni(NO 2 ) 2 (aq) + Pb(s) Pb(NO 3 ) 2 (aq) + Ag(s) ¢ No reaction Cu(NO 3 ) 2 (aq) + Ag(s) ¢ No reaction 40. Consider the following reactions: AgNO 3 (aq) + Zn(s) ¢ Ag(s) + Zn(NO 3 ) 2 Co(NO 3 ) 2 (aq) + Zn(s) ¢ no reaction AgNO 3 (aq) + Co(s) ¢ Co(NO 3 ) 2 (aq) + Ag(s) Which is the correct order of increasing activity for these metals?
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