Why is thermometer red

If we talk about air pollution then human creates it by using cars, motorcycle, and other vehicles. On the other side if we talk about water pollution then people create it by throwing waste materials such as plastic, cans, and bottles into the water. So, many people become ill and they have to knock the doors of doctors.

The doctor checks their fever with the help of a thermometer and takes many physical tests. You can discover more here about the thermometer.

So, have you ever noticed the red liquid in a thermometer? As you know people use many things to make their health proper but instead of this, they suffer from many problems.

So, the thermometer is the best option to check the temperature of the body. So, if we talk that what is the red liquid in a thermometer then it is mercury.

So, if we say simply then thermometer use a liquid which is called mercury. It is only metal that is a liquid at normal temperatures and pressure. You can discover more here for the thermometer. This liquid is very important for thermometer it helps the thermometer to work like a thermometer.

Without a doubt, people eat many things to keep themselves healthy but instead of this sometimes they become ill. So, they have to go to the doctor and the doctor checks their fever with the help of a thermometer.

If we talk about the red liquid in thermometer then it is called by mercury. So, if you want its identification then you can identify the liquid in a thermometer based on its color. However, they are more difficult to make, as they require a thinner capillary tube for the alcohol.

The question implies that a thermometer might be both red, and silver -- this does not seem likely. Perhaps the question needs to be re-asked in a way that is more specific. Just what is red outside, but silver inside? Do you mean that a red thermometer broke and somehow it now looks silver inside which might happen once the alcohol has evaporated away?

Or do you mean that the writing on the outside of a thermometer is red but there is a column of silver mercury inside? I agree with aicha because as a nurse I have never seen a red mercury thermometer just an alcohol one.

But I suppose it could be some type of dye which has been added , but I doubt it. Aisha answered. Many thermometers contain mercury which is a silver-colored liquid. Thermometers with a different colored liquid that is usually red contain alcohol, not mercury.