12th Grade Reaction Dynamics Quizzes, Questions & Answers

12th Grade

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IB Chemistry HL: Mastering Redox Reactions Quiz

IB Chemistry Hl: Mastering Redox Reactions Quiz

Explore key concepts in chemical reactions with this interactive flashcard set designed for IB Chemistry HL students. Enhance your understanding of complex chemical processes, prepare for exams, and solidify foundational...

Questions: 13 | Attempts: 10 | Last updated: Aug 4, 2025

Sample Question 1
Deduce whether an element undergoes oxidation or reduction in reactions using oxidation numbers.

LEORA: loss electrons, oxidation, reducing agentGEROA: gain electrons, reduction, oxidizing agentLook at oxidation numbers of elements on both sides of chemical equations.

BEROA: balance electrons, both oxidation and reduction, neutral agent

TEGOA: take electrons, gain oxidation, reducing agent

MEROA: maintain electrons, no change, neutral agent

Sample Question 2
Deduce simple oxidation and reduction half-equations given the species involved in a redox reaction.

Examine the full balanced equation.

Consider the colors of the substances involved.

Look at half equations. These equations are known as half equations and for a redox reaction the half equations for the substance being oxidized and the substance being reduced can be combined in such a way that the electrons cancel out, so as to give a balanced equation for the redox reaction.

Use a calculator to determine the half-equations.

Sample Question 3
Deduce redox equations using half-equations.

Half-equations do not need to be balanced in redox reactions.

H+ and H2O should be used where necessary to balance half-equations in acid solution. The balancing of equations for reactions in alkaline solution will not be assessed.

Balancing of equations for reactions in alkaline solution is required for full credit.

Only H2O is needed to balance half-equations in acid solution.

Popular Reaction Dynamics Quizzes

Chemistry: Chemical Reaction And Equation Questions!

There are two changes that can be observed when we mix substances together and this is either physical or chemical changes. A chemical reaction involves the rearrangement of the molecular structure of a substance. Test out your...

Questions: 15 | Attempts: 19451 | Last updated: Mar 22, 2025

Sample Question
What are the coefficients of the correctly balanced equations? ----Fe2O3 + ----CO ----Fe + ---CO2

0,2,2,3

1,3,2,3

1,2,2,2

2,6,4,3

The Chemical Reaction - Quiz -

The Chemical Reaction - quiz -

Explore the fundamentals of chemical reactions with this engaging quiz. Test your knowledge on reaction types including double displacement, combustion, and decomposition. Perfect for students looking to assess their...

Questions: 17 | Attempts: 6821 | Last updated: Mar 22, 2025

Sample Question
Pb(NO3)2 + 2 KI ---> PbI2 + 2 KNO3 What constitutes this reaction?

Decomposition

Combustion

Double displacement

Synthesis

ACE Your Redox Reactions

Ace Your Redox Reactions

One of the ways we discovered to know if a redox reaction has occurred, you will find that the oxidation numbers of two elements has changed from the reactant side to the product side an example is the formation of hydrogen...

Questions: 10 | Attempts: 6704 | Last updated: Jun 7, 2025

Sample Question
Which change is oxidation?

Gain of electrons

Gain of hydrogen

Loss of oxygen

Loss of electrons

Combustion Chemistry: Chemical Reaction Quiz

Welcome to the Combustion Chemistry: Chemical Reaction Quiz! This quiz will test your knowledge of chemical reactions in combustion processes. Combustion is a crucial chemical reaction that occurs when a substance reacts rapidly...

Questions: 10 | Attempts: 4676 | Last updated: May 22, 2025

Sample Question
How does combustion take place?

Fire

Oxygen reacts with another substance

Carbon, hyrogen, oxygen

Lowering in temperature

Chemistry Quiz: Stoichiometry MCQs

Stoichiometry in chemistry is the quantitative relationship between reactants and various products in a chemical reaction. And here is a quiz with ten multiple choice questions to test your knowledge of the topic. So, without...

Questions: 10 | Attempts: 3485 | Last updated: Mar 21, 2025

Sample Question
Which of the following compound is more soluble in non polar solvent?

Graphite

Glucose

Sulphur

Lithium fluoride

Classifying Chemical Reactions (Arrangement)

Classify the following chemical reactions based on how the atoms are arranged before and after the reaction. Compare the reactants to the products.

Questions: 16 | Attempts: 2814 | Last updated: May 17, 2025

Sample Question
CO2(g) + H2O(l) → H2CO3(aq)

Synthesis

Decomposition

Single displacement

Double displacement

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