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8th Grade Chemistry Quizzes , Questions & Answers
Recent Chemistry Quizzes
ចូរប្អូនជ្រើសរើសចម្លើយឱ្យបានត្រឹមត្រូវ។
Questions: 5 | Attempts: 92 | Last updated: Aug 18, 2025
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Sample Questionតើនិមិត្តសញ្ញា (aq) មានន័យដូចម្តេច?
In the field of Chemistry, a chemical change is referred to as an occurrence where one substance combines with a different substance and forms a new substance or where the mixture brings about two or more substances.
What do you...
Questions: 10 | Attempts: 194 | Last updated: Mar 18, 2025
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Sample QuestionWhat can reverse a chemical change?
Chemical change means either reaction between two or more substances to form a new compound or the break down of a compound to simpler compounds. Chemical changes are usually influenced by condition which speeds up or slows...
Questions: 10 | Attempts: 208 | Last updated: Mar 22, 2025
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Sample QuestionWhich of these is not an inorganic change?
Since we are familiar with how chemical changes happen, there are aftermath of the combination of two substances to form a new substance. Effects of chemical changes can be beneficial or harmful to surroundings. What are the...
Questions: 10 | Attempts: 228 | Last updated: Mar 21, 2025
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Sample QuestionWhich of these is not a characteristic of chemical changes?
Chemical Changes occur as a result of combination of two substances through chemical reactions to form new substances. These changes occur after there is a reaction which may gives out heat or absorb heat. Chemical change exists...
Questions: 10 | Attempts: 282 | Last updated: Mar 22, 2025
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Sample QuestionWhich of these is the reaction where heat is absorbed?
Welcome to our Fundamentals of Chemistry Quiz! This quiz is tailored to test your comprehension of essential concepts in chemistry, making it perfect for both beginners and enthusiasts looking to deepen their understanding....
Questions: 10 | Attempts: 625 | Last updated: Apr 1, 2025
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Sample QuestionChoose the correct answer for: The greatest number from the following:
Chemistry is branch of science that deals with the study of matter and changes that matter undergoes under different conditions. This branch is applied in industries operating on petroleum, pharmaceutical, breweries etc. This...
Questions: 10 | Attempts: 173 | Last updated: Mar 19, 2025
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Sample QuestionWhat is the symbol of the element named Iron?
What is water chemistry? This quiz may be a challenge for a beginner in chemistry, but it is worth a try. Water is an inorganic, transparent, odorless, tasteless, and almost colorless chemical substance. Water is essential for...
Questions: 15 | Attempts: 556 | Last updated: Mar 22, 2025
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Sample QuestionIdentify the statement that is correct about the number of protons and electrons in an atom:
Explore the building blocks of the universe with our Introduction to Matter Quiz! This comprehensive quiz will challenge your understanding of the basics of chemistry, from atoms and molecules to the fascinating states of...
Questions: 13 | Attempts: 150 | Last updated: May 10, 2025
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Sample QuestionThe internal energy stored in the chemical bonds between atoms is a form of potential energy that is sometimes called...
Chemistry is a broad science concerned with the nature, composition and decomposition of matter. This field is developed by certain men and women. This quiz will examine your knowledge of the early chemists who worked to produce...
Questions: 10 | Attempts: 137 | Last updated: Mar 20, 2025
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Sample QuestionThe law of conservation of mass was stated in 1789 by
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