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What is the difference between alcohol thermometers and digital thermometers?
Alcohol thermometers use a liquid such as ethanol to measure temperature based on the expansion of the liquid, while digital thermometers use electronic sensors to detect temperature changes and provide a numerical reading. Digital thermometers tend to be more accurate and easier to read than alcohol thermometers.
Can alcohol be used in a thermometer?
Yes, it can and you can purchase thermometers which use alcohol.
What type of liquid do you use in a thermometer?
Typically, thermometers use either mercury or alcohol as the liquid inside the glass tube to measure temperature. Mercury thermometers are being phased out due to the toxicity of mercury, with alcohol thermometers being a safer alternative.
What do they use instead of mercury thermometer?
Digital thermometers, infrared thermometers, and alcohol or galinstan thermometers are commonly used as alternatives to mercury thermometers due to the environmental and health risks associated with mercury.
What are the two substance used in liquid column thermometers?
iodine and Mercury
What is the liquid in a thermomether called?
Some thermometers use mercury, in these the liquid is silvery. Some thermometers use a red dyed alcohol solutioin.
What metal is use in thermoter?
Thermometers typically use a metal such as mercury or alcohol to measure temperature. Mercury thermometers are commonly used in applications such as medical settings, while alcohol thermometers are used in environmental monitoring due to their lower environmental impact.
Why must mercury be used in thermometers?
It must not. Mercury is very toxic. It's safer to use colored alcohol in thermometers.
What was used in thermometers in 1600 instead of mercury?
Before the use of mercury, alcohol (usually ethanol or dyed spirits) was commonly used in thermometers. Alcohol thermometers were popular because alcohol has a lower freezing point than mercury, making them suitable for a wider range of temperatures.
What is used in thermometers now instead of mercury?
Many modern thermometers use a colored alcohol solution, typically dyed red or blue, instead of mercury. These alcohol solutions have lower toxicity levels than mercury and are safer to use in household and medical applications. Other alternatives include digital thermometers that use thermistors or infrared technology to measure temperature.
What liquid is inside thermometers?
If the liquid is silver, it is liquid mercury (Hg). If the liquid is red, it is coloured ethyl alcohol (C2H5OH).
Why is mercury rarely use in thermometers for body trmperatures?
Mercury is poisonous... If the thermometer is broken - it could cause harm. It's safer to use alcohol thermometers - or electronic ones.
