In the determination of boiling of water, it is advised to put the bulb of the thermometer
above the water rather than in water, it is to:
a) reduce the error due to expansions
of glass because of heat.
b) obtain the boiling point accurately
even in much a shorter time.
c) make sure that boiling point
obtained is accurate even when
d) reduce the error due to atmospheric
pressure.
water sample contains non-volatile
impurities dissolved.
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chemical change is a permanent charge but physical change is termporary change justify
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