Classify each substance as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mixture, classify it as homogeneous or heterogeneous.
(i) carbon dioxide
(ii) white wine
(iii) copper
(iv) chicken stew

• A. (i) pure substance; element(ii) mixture; homogeneous(iii) pure substance; compound(iv) mixture; homogeneous
• B. (i) pure substance; compound(ii) mixture; homogeneous(iii) pure substance; element(iv) mixture; heterogeneous
• C. (i) pure substance; compound(ii) mixture; homogeneous(iii) pure substance; element(iv) mixture; homogeneous
• D. (i) pure substance; compound(ii) mixture; homogeneous(iii) pure substance; compound(iv) mixture; homogeneous

Answer: (B)