How much heavier is LP gas compared to air?

LP gas, or liquefied petroleum gas, is indeed approximately 1.50 times heavier than air. This means that in a comparison of density, LP gas will settle lower in an environment because it's heavier. Understanding the density of LP gas relative to air is crucial for safety and handling procedures. In case of a leak, since LP gas is heavier, it tends to accumulate in low areas, which can pose a safety risk. This knowledge emphasizes the importance of proper ventilation and monitoring for potential leaks in areas where LP gas is used.

The other choices do not accurately reflect the weight ratio of LP gas to air. For instance, stating that LP gas is 1.00 times heavier than air would imply that they have the same density, which is not the case. Similarly, suggesting that LP gas is only 1.20 times or 2.00 times heavier would misrepresent its actual physical properties and could lead to misunderstandings in safety protocols and storage procedures. Therefore, the accurate figure of 1.50 times provides the correct framework needed to understand safe handling and application of LP gas.