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3. Which represents a compound?(1) Ca(2) Cr(3) CO(4) Co |
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Answer» Answer:3)CO Explanation:Carbon monoxide is a compund whichconsists of carbon and oxygen. The formula isCO(C is carbon and O is oxygen). Each molecule consists of one carbon and one oxygen joined together. It is not anelement, but is made of two elements, carbon and oxygen, joined together CO represents a compound and others are element CO is the correct answer of the given question CO is answer of the question |
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