Question

the two liquids x and y have boiling point 78° C and 100° C respectively which will evaporate first?​

Answer 1

Answer:

Distillation is the process of separating the components of a liquid mixture by selective evaporation and condensation. It is used to separate homogeneous mixtures where the components have an appreciable difference in boiling points.

Separating funnel, centrifugation and handpicking are essentially used to separate the components of heterogeneous mixtures.

Explanation:

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Answer 2

Liquid x having boiling point 78° C will evaporate first.

• Boiling point of a liquid is the temperature at which the liquid change from the liquid state to gaseous state, that is, evaporates.
• The liquid x has a lower boiling point than the liquid y.
• So, the liquid x attains its boiling point and changes to vapour state before the liquid y.
• Hence, liquid x evaporates first.