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States of Matter 111
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Solutions 61
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Nomenclature 15
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Hydrocarbons 13
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Alcohols 5
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Ketones 5
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Amines 5
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Polymers 5
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Biomolecules 14
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Proteins 25
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Enzymes 5
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Lipids 14
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Metabolism 40
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Vitamins 6
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Hormones 6
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Prodrugs 5
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Cell Theory 12
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Nucleus 5
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Cell Cycle 18
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Ecosystem 36
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Biomes 25
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Food Chains 16
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Biodiversity 28
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Habitat 5
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Skeletal System 117
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Nervous System 124
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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 5
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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 5
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Mammals 106
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Anatomy 2
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Physiology 27
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Reproduction 26
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Behavior 63
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Bacteriology 33
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Virology 34
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Mycology 16
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Parasitology 59
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Bio Enzymes 21
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Bio Hormones 32
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Chemistry Quizzes, Questions & Answers
Recent Chemistry Quizzes
Questions: 10 | Attempts: 106163 | Last updated: Jun 12, 2025
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Sample QuestionWhat is the chemical symbol for gold?
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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?
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Sample QuestionCalcium chloride
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Sample QuestionWHich of the following can not be decomposed into simpler substances?
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Sample QuestionAn alloy is:
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Sample QuestionConvert 57.03mm to meters
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Sample QuestionWhich terms are used to identify pure substances?
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Sample QuestionWhat is Matter?
Questions: 59 | Attempts: 587 | Last updated: Oct 22, 2025
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Sample QuestionThe variable that is changed by the scientist is the independent variable and the variable that the scientist is recording data on is the dependent variable. The dependent variable is the variable that is being measured and/or observed. Additional variables know as the constant variables remain the same or constant throughout the experiment. These variables must be kept constant to insure that they do not effect the outcome of the experiment. Based on the following hypothesis: If liquid fertilzer is used then the plant will grow larger, what is the independent variable?
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