Wed September 11, 2013 By: Anusha

To determine th boiling point of water in lab, it is advised to put the bulb of thermometer in the steam rather than n water, it is to: a)reduce error due to atmospheric pressure b)make sure that boiling point obtained is accurate even when water sample contains non-volatile impurities dissolved c)reduce the error due to expansion of glass because of heat d)obtain the boiling point in shorter time

Expert Reply
Vaibhav Chavan
Wed September 11, 2013

Boiling occurs when the vapor pressure of a liquid equals the atmospheric pressure above that liquid.

So, depending on the atmospheric pressure, a liquid can have many boiling points.

So the correct option is a)To reduce error due to atmospheric pressure.
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