Petroleum
compounds
You might be thinking of 'quicksilver'.
Normally the liquid used is either a spirit or another form of alcohol, which is where they get their alternate name, the spirit level.
Gasoline is a mixture of hydrocarbons, so its correct formula cannot be obtained
An alcoholometer is a hydrometer used to measure the amount of alcohol in a liquid, such as beer.
Gasoline is a liquid. But many people may mistake it for a gas from its name (Gasoline). Also, though if left to evaporate the gasoline will turn into a gas like most liquids!
Solid - A rock, icecube, clay, or wood Liquid - Water Gas - Fossil Fuels, Gasoline
Liquid rock.
Liquid Oxygen
The phase change of a gas to a liquid is ordinarily called "condensation".
compounds
Quicksilver (another name for mercury).
If it is a liquid it is called a solution.If it is a mixture of two metals it is called an alloy.
Another name for a slide that has no liquid or cover slip is a dry smear or a dry mount. It is usually used to examine blood.
You might be thinking of 'quicksilver'.
William gasoline
The scientific name for gasoline is aliphatic hydrocarbons.