How alcohol causes cooling?? | Evaporation | Rashika Mam | SMART START #shorts

Why cooling is caused by evaporation?

How can you show that evaporation causes cooling ?

How many of the following may cause coagulation in colloidal solutions? (a) Tanning (b) Dialysis (c ) Cataphoresis (d) Mixing of a lyophilic sol with a lyophobic sol (e) Mixing of two lyophobic sols (f) Mixing sol-I ( AgNO_(3) with excess KI) and sol-II (KI with excess AgNO_(3) ) (g) Addition of alcohol to a hydrophilic sol followed by addition of small quantity of electrolyte (h) Centrifuging (i) Freezing

An oganic compound is boiled with alcoholic potash. The product is cooled and acidified with HCI . A white solid seprates out. The starting compound may be

In which among the follwowing situations evaporation causes cooling is not exploited?

1000gm of sucrose solution in water is cooled to -0.5^(@)C . How much of ice would be separated out at this temperature, if the solution started to freeze at -0.38^(@)C . Express your answer in gram. (K_(f)H_(2)O=1.86K "mol"^(-1)kg)