SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Mixture
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Element
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Compound
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Pure Substance
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Detailed explanation-1: -A compound is a substance composed of two or more different types of chemically combined in a fixed proportion.
Detailed explanation-2: -A compound is a substance that contains two or more elements chemically combined in a fixed proportion. The elements carbon and hydrogen combine to form many different compounds.
Detailed explanation-3: -In science, a substance made from two or more different elements that have been chemically joined. Examples of compounds include water (H2O), which is made from the elements hydrogen and oxygen, and table salt (NaCl), which is made from the elements sodium and chloride.
Detailed explanation-4: -A mixture is a material system made up of two or more different substances, which are mixed but not combined chemically.
Detailed explanation-5: -A compound is composed of two or more elements in variable proportions.