1) pH= a) log[H+] b) -log[H+] c) log[Ka] d) -log[Ka] 2) An acid is a) an electron donor b) an electron acceptor c) a proton donor d) a proton acceptor 3) The conjugate base of HSO4- is: a) H2SO4 b) SO4- c) (SO4)2- d) (HSO4)2- 4) The ionic product of water is: a) [H+][H+] b) [OH-][OH-] c) [H+][OH-] d) -log[H+] 5) A buffer solution is made from: a) a weak acid b) a weak acid + a strong acid c) a weak acid + its salt d) a strong acid + its salt 6) The buffer in blood is: a) carbonic acid / hydrogencarbonate b) sulfuric acid / hydrogensulfate c) ethanoic acid / ethanoate d) butanoic acid / butanoate 7) The pH in blood plasma is: a) 6.5-6.8 b) 7.0 c) 7.0-7.35 d) 7.35-7.45 8) A small value for Ka represents: a) a strong acid b) a weak acid c) a concentrated acid d) a dilute acid 9) Heat change for a reaction, Q= a) mcV b) m x deltaT c) mct d) mc x deltaT 10) A buffer solution minimises pH changes upon addition of: a) small amounts of acid b) small amounts of alkali c) small amounts of acid or alkali d) large amounts of acid or alkali

acids bases and buffers quiz

av Anonymt

Rankningslista

Visuell stil

Alternativ

Växla mall

Återställ sparas automatiskt: ?