Firefighter Math · Question
If the specific gravity of a liquid is 0.9, and water has a specific gravity of 1.0, what does this imply about the liquid relative to water?
Specific gravity is the ratio of the density of a substance to the density of a reference substance (usually water). A specific gravity less than 1.0 means the
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Question: If the specific gravity of a liquid is 0.9, and water has a specific gravity of 1.0, what does this imply about the liquid relative to water?
Answer options:
- It is heavier than water. ✅ It is lighter than water.
- It mixes perfectly with water.
- It reacts with water.
Correct answer: It is lighter than water.
Explanation: Specific gravity is the ratio of the density of a substance to the density of a reference substance (usually water). A specific gravity less than 1.0 means the substance is lighter (less dense) than water, and will float.
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