No, it is not safe to heat an LPG (liquefied petroleum gas) cylinder on a gas stove. Heating an LPG cylinder can lead to a dangerous situation and should never be attempted.
LPG cylinders are designed to withstand pressure and temperature variations within a safe range. When you heat an LPG cylinder, the pressure inside can rapidly increase, and if it exceeds the cylinder's designed capacity, it may lead to a catastrophic failure, causing an explosion or a violent release of gas.
Additionally, heating an LPG cylinder can cause the gas inside to expand, leading to the safety relief valve (if present) to release gas to prevent over-pressurization. This not only wastes the gas but can also create a hazardous environment due to the released flammable gas.
Always handle LPG cylinders with care, store them in well-ventilated areas away from heat sources, and never attempt to heat or modify them in any way. If you suspect a gas leak or encounter any issues with an LPG cylinder, it's essential to turn off the gas supply, ventilate the area, and seek professional assistance from your gas supplier or a qualified technician. Safety should be the top priority when dealing with any type of gas cylinder.