Unit 4: Chemical Reactions

/ Unit 4: Chemical Reactions

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Question Difficulty:

Question	Difficulty	Students Solved
Identifying an Amphoteric Substance	easy	16
Chemical vs Physical Changes and Bonding	easy	12
Activation Energy in Synthesis Reactions	medium	9
Balancing Net Ionic Equations	easy	6
Solubility Rules and Precipitate Formation	easy	9
Particulate Model of a Physical Change	easy	9
Limiting Reactant and Theoretical Yield	medium	5
Titration Endpoint and Equivalence Point	medium	4
Halogen Displacement Reaction	medium	3
Defining a Chemical Change	easy	5
Acid-Base Titration Analysis	medium	2
Determining an Oxidation Number	easy	6
Gravimetric Analysis and Theoretical Yield	medium	4
Carbon Oxidation Number in Combustion	medium	3
Characteristic Property of Acids	easy	5
Net Ionic Equation for Acid-Base Reaction	easy	4
Redox Reactions and Electron Transfer	easy	1
Classifying Salt Dissolution	medium	4
Synthesis Reaction Definition	easy	2
Defining the Equivalence Point in Titration	easy	3

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