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8th Grade Reaction Dynamics Quizzes, Questions & Answers

8th Grade

Top Trending Reaction Dynamics Quizzes

How good are you at chemistry? Play this informative quiz on Chemical Reactions and Equations to find the answer. This quiz contains various questions ranging from easy, medium to a high level that will help you ace the...

Questions: 30 | Attempts: 4589 | Last updated: Oct 22, 2025

Sample Question
Chemically rust is:

Hydrated ferrous oxide

Only ferric oxide

Hydrated ferric oxide

None of these

Chemical Reactions Quiz: MCQ Exam!

What do you know about chemical reactions? A chemical reaction is a route that leads to the transformation of one group of chemical substances to another. Chemical reactions exemplify changes that only involve electrons'...

Questions: 12 | Attempts: 13631 | Last updated: Mar 22, 2025

Sample Question
Which one of the following represents a physical change?

Iron rusting

Paper burning

Water freezing

Dynamite exploding

Chemical Reactions Quiz For Grade 8

Are you ready to test your knowledge of chemical reactions? Take this chemical reactions quiz for grade 8 and find out. Chemical reactions are all around us, from the process of burning fuel to the digestion of food in our...

Questions: 14 | Attempts: 4838 | Last updated: Aug 11, 2025

Sample Question
Which is the best indication that a chemical reaction has taken place?

Blue powder turns the water blue

A white substance dissolving in water

Metal bubbling when placed in an unknown liquid

Chapter 7- Chemical Reactions

Students will be assessed on their understanding of chemical reactions, chemical and physical changes, writing chemical formulas and balancing chemical equations.

Questions: 21 | Attempts: 904 | Last updated: Oct 22, 2025

Sample Question
The process in which one or more substances change to make one or more new substances is called?

Chemical change

Chemical reaction

Chemical process

Chemical explosion

Fire Science and Fire Behavior

This quiz is 10 questions testing your knowledge of fire science and behavior

Questions: 10 | Attempts: 1373 | Last updated: Mar 22, 2025

Sample Question
What describes a process or reaction that releases energy usually in the form of heat, but also in the form of light (e.g. a spark, flame, or explosion), electricity (e.g. a battery), or sound?

Endothermic

Flash point

Exothermic

Ectothermic

Fire triangle

Recent Reaction Dynamics Quizzes

Chemical Reactions and Equations... I

Questions: 10 | Attempts: 76 | Last updated: Feb 23, 2025

Sample Question
When aqueous solutions of Barium chloride and Sodium sulphate react together, ________ is formed....

A white precipitate

Yellow gas

A black precipitate

Greenish blue gas

Chemical Reactions Quiz: Can You Balance Them?

Questions: 10 | Attempts: 106 | Last updated: Oct 28, 2025

Sample Question
The electrolytic decomposition of water gives H2 and O2 in the ratio of

1:2 by volume

2:1 by volume

8:1 by mass

1:2 by mass

Reactions Of Metals and Metal Carbonates

Questions: 7 | Attempts: 194 | Last updated: Jan 23, 2025

Sample Question
What is the formula for carbon dioxide?

C2O

CO

CO2

C2O2

Can You Take The Challenge On This Chemistry Quiz

Questions: 10 | Attempts: 149 | Last updated: Mar 18, 2025

Sample Question
Choose the correctly balanced chemical equation from the list.

CH4 + 2O2 → CO2 + H2O

CH4 + 3O2 → CO2 + 2 H2O

CH4 + 2O2 → CO2 + 2 H2O

CH4 + 2O2 → CO2 + 3 H2O

A Short Trivia Quiz On Chemical Reactions! Trivia Quiz

Questions: 5 | Attempts: 222 | Last updated: Mar 21, 2025

Sample Question
In a chemical reaction...

Bonds between atoms are broken and then new ones are formed

A chemical change has occurred.

A new substance is produced by changing the arrangement of atoms

All of above

Chemical Equations Assessment 2014 Mcfadden Period 2

Questions: 21 | Attempts: 39 | Last updated: Apr 20, 2025

Sample Question
Which equation listed below is an example of a synthesis reaction?

A + B yields AB

AB yields A + B

AB + C yields AC + B

AB + CD yields AC + BD

4.1 Reactants and Products Lesson Quiz

Questions: 6 | Attempts: 2724 | Last updated: Oct 6, 2025

Sample Question
Vinegar is added to baking soda and bubbles of carbon dioxide rapidly form. A cloudy liquid is left behind. What are products in this chemical reaction?

Vinegar and the cloudy liquid

Vinegar and baking soda

Carbon dioxide and baking soda

Carbon dioxide and the cloudy liquid

10 - Science - 11. Chemistry – Chemical Reactions

Questions: 10 | Attempts: 2041 | Last updated: Mar 21, 2025

Sample Question
Zn + 2HCl → ZnCl2 + H2 ↑ The above reaction is an example of _________

Combination reaction

Double displacement reaction

Displacement reaction

Decomposition reaction

Unit 7 - Chemical Reactions Review

Questions: 24 | Attempts: 215 | Last updated: Mar 22, 2025

Sample Question
What type of reaction produces a precipitate?

Synthesis

Single displacement

Double displacement

Decomposition

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