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Question
Mercury is the ideal liquid to use in a thermometer because:
Mercury is the ideal liquid to use in a thermometer because:
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Solution
The correct option is B All the above
Some of the good qualities of mercury which make it ideal for use in thermometers are:1.It is opaque.
2. It remains liquid over a wide range of temperature. Its boiling point is high and freezing point is low.
3. Has low vapour pressure.
4.Coefficient of expansion is high. Little heating produces more expansion.
5. Specific heat is low. Small heat produces more increase of temperature and thus more expansion. It makes measurement accurate.
6. Does not stick (wet) on the walls of glass.
7. Does not react with glass.
Some of the good qualities of mercury which make it ideal for use in thermometers are:
1.It is opaque.
2. It remains liquid over a wide range of temperature. Its boiling point is high and freezing point is low.
3. Has low vapour pressure.
4.Coefficient of expansion is high. Little heating produces more expansion.
5. Specific heat is low. Small heat produces more increase of temperature and thus more expansion. It makes measurement accurate.
6. Does not stick (wet) on the walls of glass.
7. Does not react with glass.
2. It remains liquid over a wide range of temperature. Its boiling point is high and freezing point is low.
3. Has low vapour pressure.
4.Coefficient of expansion is high. Little heating produces more expansion.
5. Specific heat is low. Small heat produces more increase of temperature and thus more expansion. It makes measurement accurate.
6. Does not stick (wet) on the walls of glass.
7. Does not react with glass.
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