No, oil is combustible.
Concrete, tile, marble. granite, glass.
No, oil is combustible.
Motor oil is the petroleum product, a mixture of hydrocarbons so it is neither acidic nor basic it is a neutral material.
No, mold typically does not grow on motor oil because it lacks the necessary nutrients for mold growth. Mold requires organic material to grow, which is not present in motor oil. Mold growth is more likely in damp, organic-rich environments.
A 5-gallon bucket of motor oil typically weighs around 40-45 pounds, depending on the specific type of oil and packaging material used.
yes
No.
because the hermatic compressor motor must be compatible with the refrigerant and oil circulating in the system.
Under OSHA's Hazard Communication standard, yes, it is. This includes oil used in a vehicle engine, such as 10W30 motor oil.
Will not catch on fire.
paint
A barrier board is a variety of noncombustible board stock material of low thermal conductivity placed between two elements of a roof assembly.