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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
How well do you know the pH scale? Are you able to get full marks on this pH scale-based quiz? Let's begin and see how well you do! The pH scale measures how acidic or basic an object is. You might have studied and...
Questions: 10 | Attempts: 6791 | Last updated: Aug 19, 2023
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Sample QuestionWhat number on the scale represents a neutral level?
The Acid-Base Reaction Quiz assesses understanding of fundamental acid-base interactions in chemistry. It covers concepts like proton donation, conjugate acids and bases, and the role of water in acid-base reactions, crucial for...
Questions: 8 | Attempts: 4596 | Last updated: Mar 22, 2023
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Sample QuestionAcids take in the proton (H+).
How well do you know about the ph scale? It is time to test your knowledge by taking this quiz.
Questions: 8 | Attempts: 248 | Last updated: Mar 21, 2023
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Sample QuestionThe neutral value on the pH scale is
This quiz focuses on fundamental concepts of acids, bases, and pH, exploring properties, safety measures, and applications in everyday contexts, suitable for Grade 8 students.
Questions: 22 | Attempts: 801 | Last updated: Jan 14, 2025
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Sample QuestionWhich one of the following is an acid?
Explore the properties of acids, bases, and salts with this engaging quiz. Test your understanding of electrical conductivity in solutions, the behavior of acids and bases in water, and the practical applications of chemical...
Questions: 15 | Attempts: 8246 | Last updated: May 4, 2023
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Sample QuestionIn which one of the following solutions the bulb will not glow when electric current passed through it?
Explore key concepts in Unit 9 - Acids, Bases, and Salts Review, covering the formation of salts, properties of buffers, safe bases for ingestion, pH levels, and neutralization reactions. This quiz assesses understanding of...
Questions: 26 | Attempts: 357 | Last updated: Mar 19, 2023
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Sample QuestionA(n) _____ is a compound formed when the negative ions from an acid combine with the positive ions to form a base.
In chemistry, if a substance’s pH is between 0 and 7, it is acidic. If it is between 7 and 14, it is a base. If it is 7, it is neutral. What else do you know about these substances?
Questions: 31 | Attempts: 265 | Last updated: Mar 21, 2023
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Sample QuestionIn a titration, the point where the indicator changes color and stays that way is the _______.
In chemistry, acids and bases are two types of corrosive substances. The acidity or basicity of a substance is measured with the pH scale. What can you tell us about the strengths of these two corrosives?
Questions: 6 | Attempts: 747 | Last updated: Mar 21, 2023
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Sample QuestionThe strength of an acid or base depends on ______.
Are you a chemistry student? How much you know about acids and alkalis? Think you can pass a quiz? An acid is a substance that forms a solution with a pH value of less than 7, whereas an alkaline substance has a PH level higher...
Questions: 10 | Attempts: 14008 | Last updated: Jul 16, 2024
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Sample QuestionPH paper is put in a solution, which turns red. What is this?
Have you studied acids, bases, and salts in Chemistry? Then why not take this acid, base, and salt quiz we have specially prepared for you? Our quiz can be perfect if you want a way to test out just how much you know about them....
Questions: 20 | Attempts: 19557 | Last updated: Jan 15, 2025
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Sample QuestionWhich of the following pH values corresponds to that of a basic solution?
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