SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A combination of two or more elements.
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B)not able to be broken down into parts
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made from the same type of atoms
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a pure substance, elements are not
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Detailed explanation-1: -Compounds can be broken down into simpler substances by chemical means but cannot be broken by physical means. In a compound, the ratio of component atoms remains the same. Therefore, a combination of two or more elements chemically combined is a compound.
Detailed explanation-2: -A compound is a unique substance that consists of two or more elements combined in fixed proportions. This means that the composition of a compound is always the same. The smallest particle of most compounds in living things is called a molecule.
Detailed explanation-3: -Compounds are substances which can be formed by chemically combining two or more elements. Mixtures are substances that are formed by physically mixing two or more substances. Compounds can be of three types, which are: covalent compounds, metallic compounds and ionic compounds.