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Why mercury used in thermameter?

Answer» \xa01. It expands uniformly when heated.2. It has low specific heat capacity.3. I has a high boiling point (357 °C) and a low freezing point (-39 °C).4. It is a good conductor of heat.5. It does not stick to the walls of the glass tube.6. It is opaque and shiny and hence clearly visible.7. It is available in pure form.


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