Mercury boils at $367^{o} C$ . Mercury thermometers are made such that they can measure temperature up to $500^{o} C$ . This done by

Filling nitrogen gas at high pressure above the mercury column

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FillIng oxygen gas at low pressure above the mercury column

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Filling carbondioxide gas above mercury column

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None of the above

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Solution

The correct option is A Filling nitrogen gas at high pressure above the mercury column
When nitrogen gas is filled at high pressure, the boiling point of mercury is increased which extends the range upto $500^{o} C$ ,

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Similar questions

Q. Mercury boils at

367^{o}

. However, mercury thermometers are made such that they can measure temperature upto

500^{o}

C. This is done by.

Q. Mercury boils at

356^{o}

C. However, mercury thermometers are made such that they can measure temperatures up to

500^{o}

C. This is done by :

In a constant volume gas thermometer, the pressure of the working gas is measured by the difference in the levels of mercury in the two arms of a U-tube connected to the gas at one end. When the bulb is placed at the room temperature 27.0℃, the mercury column in the arm open to atmosphere stands 5.00 cms above the level of mercury in the other arm. When the bulb is placed in a hot liquid, the difference of mercury levels becomes 45.0 cms. Calculate the temperature of the liquid. (Atmospheric pressure = 75.0 cm of mercury.)

Q. In a constant volume gas thermometer the pressure of the working gas is measured by the difference in the level of mercury in the two arms of a U-tube connect to the gas at one end. When the bulb is placed at the room temperature

{27.0}^{\circ}

, the mercury column in the arm open to atmosphere stands 5.00 cm above the level of mercury in the other arm. When the bulb is placed in a hot liquid, the difference of mercury levels becomes 45.0 cm. Calculate the temperature(x+170)(

^{o} C

) of the liquid. Mark the value of x.(Atmospheric pressure = 75.0 cm of mercury.)

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Mercury boils at 367oC. Mercury thermometers are made such that they can measure temperature up to 500oC. This done by

The correct option is A Filling nitrogen gas at high pressure above the mercury columnWhen nitrogen gas is filled at high pressure, the boiling point of mercury is increased which extends the range upto 500oC,

Mercury boils at $367^{o} C$ . Mercury thermometers are made such that they can measure temperature up to $500^{o} C$ . This done by

The correct option is A Filling nitrogen gas at high pressure above the mercury column
When nitrogen gas is filled at high pressure, the boiling point of mercury is increased which extends the range upto $500^{o} C$ ,