No a gas tank is where you store the fuel a cylinder is the housing for the piston in the engine.
It rather depends on the situation. In everyday life we store gases in cylinders and tanks. In the lab we tend to use gas jars and gas syringes.
Pressurized cylinders for LPG are made of steel.
Sure. The gas company stores it in enormous cylinders, and it can also be stored in smaller cylinders, like "welder" size. Most gasses store easily under pressure.
No. cylinders is where the gas gets burned. Gas tank is the where the gas is kept. Cylinders are in the motor. Tank is commonly under trunk.
Compressibility. A lot of gas is forced into the cylinders.
Gas cylinders used in kitchens would normally contain propane.
methyl mercaptan
Many gases are filled in cylinders and include nitrogen, Carbon Dioxide, Helium, Hydrogen, Argon, Acetylene etc. Small cylinders that are extremely portable include butane etc.
alloy
liquid
Gas can be compressed easily.