Why does our palm feel cold when we put some acetone or petrol or perfume on it ?
Acetone, perfume and petrol are volatile liquids, i.e., they have low boiling points. When kept on palm, they can absorb enough energy from the palm or surroundings and evaporate and leave the palm cool.
Why are we able to sip hot tea or milk faster from a saucer rather than a cup ?
What types of clothes should we wear during summer season ?
Convert the following temperature to Celsius scale.
300K
Convert the following temperature to Celsius scale.
573 K
