1. Copper sulfate solution can be further subdivided into simpler substances by physical (mechanical) means. Therefore, it is _______.   a mixture   a compound   an element   Hint Half-n-half Clue   2. The constituents of a mixture do not retain their original properties.   True   False   3. H2 and Fe represent _______.   mixtures   compounds   elements   Half-n-half Clue   4. Copper sulfate can be further subdivided into simpler substances by chemical means only. Therefore, it is _______.   an element   a compound   a mixture   Half-n-half Clue   5. Which of the following is an impure substance made up of two or more types of atoms or elements?   Compound   Element   Mixture   Half-n-half Clue   6. Oxygen cannot be further subdivided into simpler substances by any physical or chemical means. Therefore, it is _______.   a compound   an element   a mixture   Half-n-half Clue   7. H2O and FeS represent _______.   mixtures   elements   compounds   Half-n-half Clue