SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which substance is chemically combined?
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Element
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Compound
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Mixture
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Property
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Explanation:
Detailed explanation-1: -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. One of the simplest is called methane, in which there are always four times as many hydrogen atoms as carbon atoms.
Detailed explanation-2: -Compounds are pure substances formed from two or more elements through a chemical combination. For example, NaCl is a compound.
Detailed explanation-3: -Compound: A compound is composed of two or more elements chemically combined.
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