Chemistry: What's Hot Now: Balancing Equations Test Questions

Chemistry: What's Hot Now These articles that had the largest increase in popularity over the last week

Balancing Equations Test Questions Aug 11th 2011, 10:02 Balancing chemical equations is a basic skill in chemistry. Chemical reactions have the same number of atoms before the reaction as after the reaction. This collection of ten chemistry test questions deals with balancing chemical reactions. Question 1 Balance the following equation: __ SnO2 + __ H2 â†' __ Sn + __ H2O Question 2 Balance the following equation: __ KOH + __ H3PO4 â†' __ K3PO4 + __ H2O Question 3 Balance the following equation: __ KNO3 + __ H2CO3 â†' __ K2CO3 + __ HNO3 Question 4 Balance the following equation: __ Na3PO4 + __ HCl â†' __ NaCl + __ H3PO4 Question 5 Balance the following equation: __ TiCl4 + __ H2O + __ TiO2 + __ HCl Question 6 Balance the following equation: __ C2H6O + __ O2 â†' __ CO2 + __ H2O Question 7 Balance the following equation: __ Fe + __ HC2H3O2 â†' __ Fe(C2H3O2)3 + __ H2 Question 8 Balance the following equation: __ NH3 + __ O2 â†' __ NO + __ H2O Question 9 Balance the following equation: __ B2Br6 + __ HNO3 â†' __ B(NO3)3 + __ HBr Question 10 Balance the following equation: __ NH4OH + __ Kal(SO4)2·12H2O â†' __ Al(OH)3 + __ (NH4)2SO4 + __ KOH + __ H2O Answers 1. 1 SnO2 + 2 H2 â†' 1 Sn + 2 H2O 2. 3 KOH + 1 H3PO4 â†' 1 K3PO4 + 3 H2O 3. 2 KNO3 + 1 H2CO3 â†' 1 K2CO3 + 2 HNO3 4. 1 Na3PO4 + 3 HCl â†' 3 NaCl + 1 H3PO4 5. 1 TiCl4 + 2 H2O + 1 TiO2 + 4 HCl 6. 1 C2H6O + 3 O2 â†' 2 CO2 + 3 H2O 7. 2 Fe + 6 HC2H3O2 â†' 2 Fe(C2H3O2)3 + 3 H2 8. 4 NH3 + 5 O2 â†' 4 NO + 6 H2O 9. 1 B2Br6 + 6 HNO3 â†' 2 B(NO3)3 + 6 HBr 10. 4 NH4OH + 1 Kal(SO4)2·12H2O â†' 1 Al(OH)3 + 2 (NH4)2SO4 + 1 KOH + 12 H2O More Chemistry Test Questions Homework Help Study Skills High School Study Help How to Write Research Papers

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