Mercury (Atomic number 80) is still used in some thermometers.
Mercury is used in thermometers.
Some times red coloured liquid is used but mostly gray coloured liquid is used.
Mercury (Atomic number 80) is still used in some thermometers.
Mercury
Mercury!
Most thermometers used to contain Mercury until it was found to be toxic.
Most thermometers used to contain mercury until it was found to be toxic.
Some thermometers use mercury, in these the liquid is silvery. Some thermometers use a red dyed alcohol solutioin.
For non-electronic thermometers , you will either see a red liquid or a silver liquid. The 'Red liquid' is a coloured alcohol. The 'Silver liquid' is mercury.
mercury
Mercury is a liquid metal used in thermometers. However, it becomes a solid at -37.9 F and it can cause mercury poisoning if ingested or inhaled. Therefore, most theremometers use ethyl-alcohol or a plastic strip covered with liquid crystals (called a liquid crystal thermometer).