Question

1. choose the best answer. the density of engine oil is 850 kg/m³. is density an intensive or extensive property? intensive extensive 5. choose the best answer. engine oil has a strong odor. is odor a physical or chemical property? physical chemical 6. choose the best answer. engine oil is highly flammable. is flammability a physical or chemical property?

Explanation:

• For question 4: Intensive properties do not depend on the amount of substance. Density is one such property as it remains the same regardless of the quantity of engine - oil.
• For question 5: Physical properties can be observed without changing the chemical composition of a substance. Odor is a physical property as detecting the smell of engine - oil does not alter its chemical makeup.
• For question 6: Chemical properties are related to a substance's ability to undergo chemical changes. Flammability is a chemical property because when engine - oil burns, it undergoes a chemical reaction.

Answer:

1. A. intensive
2. A. physical
3. B. chemical