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States of Matter 107
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Solutions 61
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Nomenclature 15
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Hydrocarbons 13
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Alcohols 3
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Amines 2
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Polymers 5
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Biomolecules 13
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Proteins 26
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Enzymes 4
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Lipids 14
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Metabolism 39
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Vitamins 4
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Hormones 1
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Alloys 1
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Nucleus 1
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Cell Cycle 18
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Ecosystem 35
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Biomes 24
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Food Chains 15
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Biodiversity 23
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Habitat 4
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Skeletal System 116
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Nervous System 110
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Porifera 6
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Cnidaria 6
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Nematoda 6
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Annelida 7
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Arthropoda 12
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Mollusca 4
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Chordata 5
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Fish 76
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Amphibians 10
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Reptiles 14
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Birds 2
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Mammals 106
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Anatomy 17
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Physiology 19
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Reproduction 23
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Behavior 63
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Bacteriology 32
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Virology 32
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Mycology 16
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Parasitology 51
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GMOs 4
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Bio Enzymes 21
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Bio Hormones 32
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B Cells 1
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Clouds 1
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Marine Life 47
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Wetlands 5
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Tsunamis 1
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Quizzes, Questions & Answers
Recent Quizzes
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: 2812 | Last updated: May 17, 2024
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Sample QuestionCO2(g) + H2O(l) → H2CO3(aq)
Can you answer all these questions on chemical reactions? Test your knowledge on this science quiz to see how you do and compare your score to others.
Questions: 37 | Attempts: 252 | Last updated: Oct 21, 2024
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Sample QuestionWhat characteristic of copper allows it to be made into copper wire?
This quiz challenges learners to identify types of chemical reactions, such as single replacement, double replacement, and combination. By analyzing reaction equations, participants enhance their understanding of chemical...
Questions: 10 | Attempts: 323 | Last updated: Mar 21, 2023
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Sample QuestionMg + 2HCl ---> MgCl2 + H2 is what type of reaction?
When it comes to chemistry, students are expected to understand how to balance equations and chemical reactions. When mixed, different elements form a solution, and the changes can either be physical or chemical. Test your...
Questions: 10 | Attempts: 945 | Last updated: Mar 21, 2023
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Sample QuestionA reaction that causes a chemical change is called _____.
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: 4600 | Last updated: Aug 11, 2023
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Sample QuestionWhich is the best indication that a chemical reaction has taken place?
GEAS Chemistry Quiz-4 assesses knowledge on chemical reactions and stoichiometry, including calculations for mass loss in electrolysis, product formation from reactants, and empirical formula determination. It enhances...
Questions: 50 | Attempts: 1961 | Last updated: Mar 21, 2023
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Sample QuestionWHat mass of aluminium oxide must be electrolyzed with carbon electrodes to yield 1.59x10^6 g of aluminum and 2.48 x 10^6 g of carbon monoxide in the hall process for the industrial production? The carbon electrodes lost a total of 1.06 x 10^6 g of mass.
Explore the exciting world of chemical reactions with the Fire Inspector Trivia Quiz! Engage with questions on endothermic and exothermic reactions, the nature of fire, and combustion types. Perfect for those interested in fire...
Questions: 14 | Attempts: 1291 | Last updated: Jul 24, 2024
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Sample QuestionChemical reactions that absorb energy as they occur are called:
This vocabulary test assesses knowledge on the formation of new substances, focusing on terms like 'Chemical Property,' 'Precipitate,' and 'Molecule.' It's designed to enhance understanding of chemical properties and reactions,...
Questions: 11 | Attempts: 92 | Last updated: Jul 4, 2024
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Sample QuestionThe characteristics or qualities of a substance: physical and chemical.
Test Your Knowledge about Double Displacement Reaction using Chemistry Quiz. This reaction is formed as a result of the exchange of bonds between elements in a compound where the more reactive one displaces, the less reactive on....
Questions: 5 | Attempts: 2159 | Last updated: Mar 22, 2023
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Sample Question2MgI2 + Mn(SO3)2 --> MgSO3 + MnI4 is what type of reaction.
This is to be taken after studying the year 9 topic chemistry 2.
Questions: 58 | Attempts: 2058 | Last updated: May 23, 2025
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Sample QuestionWhich of the following is an example of a chemical change?
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