Test_2__06__Answers

Test_2__06__Answers - Chemistry 1035 Fall-06 Test 2 Name_...

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Chemistry 1035 Fall-06 Test 2 Name_______________________ Form A 1. Which of the following salts is Insoluble in water? a) Sodium sulfate b) Potassium acetate c) Lithium carbonate d) All of these are soluble in water 2. Given the following pairs of solutions, which one will NOT precipitate (i.e. no reaction) when mixed? a) Pb(NO 3 ) 2 (aq) and KI (aq) b) CuNO 3 (aq) and KCl (aq) c) AgNO 3 (aq) and LiC 2 H 3 O 2 (aq) d) Na 2 CO 3 (aq) and Ca(ClO 4 ) 2 (aq) 3. When aqueous solutions of sodium sulfate and barium chloride are mixed, a precipitate forms. Identify the precipitate. a) NaCl b) NaSO 4 c) Ba 2 SO 4 d) BaSO 4 4. Which of the following is a WEAK electrolyte when dissolved in water? a) Hydrogen iodide b) Perchloric acid c) Sodium hydroxide d) Acetic acid
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5. Identify the list that contains only STRONG acids. a) HCl, HNO 2 , H 2 SO 4 , HClO 4 b) HBr, HNO 3 , H 2 SO 4 , HClO 4 c) HBr, HNO 3 , H 2 SO 3 , HClO 4 d) HF, HNO 2 , HNO 3 , H 2 SO 3 6. What is the oxidation number of sulfur in MgS 2 O 3 ? a) +2 b) +4 c) +6 d) +8 7. Consider the reaction 2Cu +2 (aq) + 2l - (aq) 2Cu (s) + I 2 (aq) Which statement is TRUE for the reaction? a) Cu
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This note was uploaded on 10/02/2008 for the course CHEM 1035 taught by Professor Jgdillard during the Fall '07 term at Virginia Tech.

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Test_2__06__Answers - Chemistry 1035 Fall-06 Test 2 Name_...

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