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- 1. Multiple Choice
Classify the following materials as to substance or mixture.
"Pure air"
Pure substance: Element
Pure substance: Compound
Mixture: Homogeneous
Mixture: Heterogeneous
- 2. Multiple Choice
Classify the following materials as to substance or mixture.
"Carbon Dioxide"
Pure substance: Element
Pure substance: Compound
Mixture: Homogeneous
Mixture: Heterogeneous
- 3. Multiple Choice
Classify the following materials as to substance or mixture.
"Gold"
Pure substance: Element
Pure substance: Compound
Mixture: Homogeneous
Mixture: Heterogeneous
- 4. Multiple Choice
Classify the following materials as to substance or mixture.
"Brass"
Pure substance: Element
Pure substance: Compound
Mixture: Homogeneous
Mixture: Heterogeneous
- 5. Multiple Choice
Classify the following materials as to substance or mixture.
"Oxygen"
Pure substance: Element
Pure substance: Compound
Mixture: Homogeneous
Mixture: Heterogeneous
- 6. Multiple Choice
Classify the following materials as to substance or mixture.
"Italian Salad"
Pure substance: Element
Pure substance: Compound
Mixture: Homogeneous
Mixture: Heterogeneous
- 7. Multiple Choice
Classify the following materials as to substance or mixture.
"Salt Water"
Pure substance: Element
Pure substance: Compound
Mixture: Homogeneous
Mixture: Heterogeneous
- 8. Multiple Choice
Classify the following materials as to substance or mixture.
"Hydrochloric Acid"
Pure substance: Element
Pure substance: Compound
Mixture: Homogeneous
Mixture: Heterogeneous
- 9. Multiple Choice
Classify the following materials as to substance or mixture.
"Silver"
Pure substance: Element
Pure substance: Compound
Mixture: Homogeneous
Mixture: Heterogeneous
- 10. Multiple Choice
Classify the following materials as to substance or mixture.
"Lithium Iodide"
Pure substance: Element
Pure substance: Compound
Mixture: Homogeneous
Mixture: Heterogeneous
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