Question

m water, one of the following electrolyte, exists only as ions (100%) in solution a) nonconductor b) weak electrolyte c) non electrolyte d) strong electrolyte The Following reaction is classified as: Mg(OH)2 (aq) + 2HNO3(aq) - Mg(NO)2 (aq) + 2 H20(1 a) oxidation-reduction reaction b) precipitation reaction b) acid-base neutralization reaction d) single replacement 9 Which one of the following is a weak acid in aqueous solution? a) KOH b) HNO3 c)NH; d) CH-COOH 10 Which of the following is correctly identified a) NH3, is a strong acid c) Ba(OH)2 is a weak base b) HCIO. is a strong acid d) H:CO, is a strong acid 11 According to the Arrhenius theory, if Ba(OH)2 and KOH and were separately dissolved in water, each would act as a) a base and an acid respectively c) an acid and an acid respectively b) a base and a base respectively d) an acid and a base respectively 12 The Following reaction is classified as: K2CO3(aq)+CaCl(aq) → CaCO3 (8)+ 2Cl(aq) Ba(OH)2 a) acid-base neutralization reaction b) oxidation-reduction reaction c) single replacement reaction d) precipitation reaction 13. Which one of the following reactions is the reduction reaction? Determine which one of the reactions will occur. b) Cu(s) +Al+(ag) a) Cu(s) + Ca2+(aq) c) Al(s) + Cu?+(aq) d) Al(s) + Ca?" (aq

Answer 1

7) Conductor - strong electrolyte

8) Acid base neutralization reaction

9) Weak acid - CH3COOH

10) HClO4 is strong acid

11) Base and base

12) Precipitation reaction of CaCO3

13) Al + Cu2+