Question

2. of the following are
endothermic changes.
a. Condensation and melting
b. Condensation and freezing
c. Evaporation and melting
d. Evaporation and freezing​

Answer 1

$\fbox\red{ Option A}$

Condensation and Melting

Melting ice cubes. Melting solid salts. Evaporating liquid water. Converting frost to water vapor (melting, boiling, and evaporation, in general, are endothermic processes

Answer 2

Answer:

$\red { \underline{ \boxed{ \sf { \bigstar \: Option\:A}}}}$

Condensation and Melting

Melting ice cubes. Melting solid salts. Evaporating liquid water. Converting frost to water vapor (melting, boiling, and evaporation, in general, are endothermic processes