SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When two or more elements join together chemically,
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a mixture is formed
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nothing is formed
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a compound is formed
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None of the above
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Explanation:
Detailed explanation-1: -A compound is a substance formed when two or more chemical elements are chemically bonded together. Two types of chemical bonds common in compounds are covalent and ionic bonds. The elements combine together in a fixed ratio.
Detailed explanation-2: -A mixture consists of two or more substances which may be elements, compounds or both mixed together physically in any proportion, but not chemically combined. However, a compound consists of two or more elements that are chemically combined in a fixed proportion. Hence, a compound is different from a mixture.
Detailed explanation-3: -A combination of two or more elements chemically combined is a compound .
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