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MERCURY is commonly used in thermometers designed for medical and elevated temperatures, and ALCOHOL (with a coloured dye) is used in medical and very low temperature thermometers. Both these use glass tubes.
Very high temperature thermometers contain Gallium, which is a liquid at room temperature, in a quartz tube.
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What is test tube and how to used the test tube?
The principal scope is to realize chemical reactions on a very small scale. Also: storing liquid or solid substances, solubility experiments, etc. A test tube is a cylindrical tube, made from plastics, glass, ceramics with a rounded closed end.
What is a glass tube?
A glass tube is a cylindrical tube made of glass that is commonly used in scientific experiments, chemistry labs, and industrial applications. It can be used for various purposes such as containing, mixing, or transferring liquids and gases. Glass tubes come in different sizes and shapes depending on their intended use.
What instrument is used for air temperature?
The instrument used for measuring air temperature is a thermometer. Thermometers can be filled with mercury or alcohol, which expands and contracts with temperature changes, or they can be digital, using electronic sensors to provide readings. Common types include liquid-in-glass thermometers and electronic thermometers. Additionally, thermocouples and infrared thermometers are also used for specific applications in measuring air temperature.
Is a pipet the same thing as a test tube?
No, a pipet is not the same as a test tube. A pipet is a laboratory tool used to measure and transfer small volumes of liquid with precision, while a test tube is a cylindrical glass or plastic container used to hold, mix, or heat substances. Each serves a distinct purpose in laboratory settings.
Which instrument is used to measure how hot the day is?
The instrument used to measure temperature is called a thermometer. It typically contains a liquid, such as mercury or alcohol, that expands and rises in a glass tube as the temperature increases. Thermometers can be used in various settings, including weather stations, homes, and laboratories, to provide accurate readings of ambient temperature.
What are the two substances used in a liquid column thermometer?
The two substances used in a liquid column thermometer are mercury and alcohol. Mercury thermometers use mercury as the liquid inside the glass tube, while alcohol thermometers use colored alcohol such as ethanol or dyed ethanol.
What material is used to make thermometers?
Thermometers are typically made using glass, as it is transparent and durable. Mercury or alcohol are commonly used as the liquid inside the glass tube to measure temperature. Some modern thermometers may use digital sensors and components instead of traditional materials.
How did the test tube get its name?
It is a glass tube and it is used to contain substances being tested!
What is the purpose of mercury thermometers?
Mercury thermometers are used to measure temperature accurately. The expansion of mercury in the glass tube allows for easy visualization of temperature changes. However, due to the toxic nature of mercury, these thermometers are being phased out in favor of digital thermometers.
How are liquid-in-glass thermometers used in measuring temperature accurately?
Liquid-in-glass thermometers work by using a liquid, usually mercury or alcohol, that expands or contracts with temperature changes. The liquid rises or falls in a glass tube with marked temperature increments, allowing for accurate temperature measurement.
Which device is used to measure air temperature?
A thermometer is used to measure air temperature. Several types of thermometers can be used, such as liquid-in-glass thermometers, digital thermometers, and infrared thermometers.
What element is liquid metal used in the thermometers?
Mercury is the element commonly used in liquid-in-glass thermometers.
What metal is used to make thermometers?
Glass and mercury
How are digital thermometers different from ordinary glass thermometers used to measure body temperature?
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When were the first calibrated thermometers made and where?
The first calibrated thermometers were made in the early 1700s by Italian inventor Santorio Santorio, who used a sealed glass tube with a numerical scale to measure temperature. This marked the beginning of the modern temperature measurement era.
What is boiling tube and what is use for?
A boiling tube is a narrow glass tube used in scientific laboratories to hold small quantities of liquids for heating or mixing. It is often used in experiments that require heating substances and observing reactions within a controlled environment.
What is the use of a liquid-in -glass thermometers?
Liquid-in-glass thermometers are used to measure temperature by observing the level of liquid inside a glass tube. The liquid expands and contracts with changes in temperature, allowing for accurate temperature readings. They are commonly used in laboratories, industrial settings, and for household temperature measurements.
