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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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Chemistry Quizzes, Questions & Answers
Recent Chemistry Quizzes
Do you know everything about Chemistry? Take this difficult Chemistry quiz with questions and answers, and see how well you understand the subject. The difficulty level of this quiz is a bit high, so be prepared to answer. Go for...
Questions: 28 | Attempts: 3563 | Last updated: Jun 30, 2025
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Sample QuestionIf 50.0 g of benzene, C6H6, at 25.00C absorbs 2.71 kJ of energy in the form of heat, what is the final temperature of the benzene? The specific heat of benzene is 1.72 J/g·0C.
Preguntas de selección múltiple con única respuesta tipo saber Icfes
!Animate a respoder!
Questions: 11 | Attempts: 5036 | Last updated: Mar 21, 2023
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Sample QuestionEl gráfico representa el punto de ebullición contra el número de carbonos, para los 10 primeros alcanos y alquenos normales. De la gráfica se puede concluir que
How much do you know about fuel cells? Care to test your knowledge?Â
Questions: 5 | Attempts: 1339 | Last updated: Mar 22, 2023
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Sample QuestionHydrogen is limitless.
Intej Chemistry Department (Diagnostic 1) assesses foundational chemistry concepts through questions on atomic models, diffusion, phase changes, isotopes, and atomic mass. This quiz aims to evaluate understanding and application...
Questions: 40 | Attempts: 97 | Last updated: Feb 6, 2024
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Sample QuestionDiagram 1 shows the atomic model of an atom. Which of the following scientists suggested the model?
Solid matter is composed of tightly packed particles. A solid will retain its shape; the particles are not free to move around. Liquid matter is made of more loosely packed particles whereas a pure gas may be made up of...
Questions: 17 | Attempts: 805 | Last updated: Mar 25, 2025
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Sample QuestionAn element _______ be broken down into a simpler form.
Chemistry, at its core, is the study of matter and its properties as well as how matter changes. It is a field that explores the very essence of our world, from the air we breathe to the complex molecules that make up living...
Questions: 10 | Attempts: 101042 | Last updated: Jun 12, 2025
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Sample QuestionWhat is the chemical symbol for gold?
This 'Chemistry Semester I Review' assesses foundational chemistry knowledge, including calculations of density, speed conversions, and scientific notation. It's designed to test understanding of measurement accuracy and...
Questions: 34 | Attempts: 203 | Last updated: Mar 22, 2023
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Sample QuestionThe density of a substance is 48 g/ml. What is the volume of a sample that is 19.2 g?
Revision of Chemical Formulas
This 10-item test will measure how well you understood the rules in writing down
the correct chemical formulas of compounds.
You have 5 minutes to...
Questions: 10 | Attempts: 11310 | Last updated: Mar 22, 2023
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Sample QuestionCalcium chloride
Explore fundamental chemistry concepts in this iGCSE Chemistry quiz, covering topics like moles, Avogadro's number, ionic bonding, and more. Assess your understanding of key chemical principles and enhance your knowledge in a...
Questions: 43 | Attempts: 839 | Last updated: Jul 21, 2024
This 'Quarterly Assessment 1-Regents Chemistry' evaluates understanding of basic chemical principles, including the nature of elements, mixtures, compounds, and separation techniques. Essential for students aiming to master...
Questions: 14 | Attempts: 237 | Last updated: Mar 21, 2023
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Sample QuestionWHich of the following can not be decomposed into simpler substances?
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