Classification of matter practice #1

Welcome to Classification of matter practice #1

Classify copper wire as element, compound, homogeneous mixture or heterogeneous mixture.
Classify ketchup as element, compound, homogeneous mixture or heterogeneous mixture.
Classify rock as element, compound, homogeneous mixture or heterogeneous mixture.
Classify sugar as element, compound, homogeneous mixture or heterogeneous mixture.
Classify unopened Coca-cola as element, compound, homogeneous mixture or heterogeneous mixture.
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