Answer
Please see the work below.
Work Step by Step
We know that
a. The given statement shows a physical change because the helium gas is not changed by leaking out of the balloon.
b. The given statement shows a chemical change in the battery.
c. The given statement shows a physical change as the orange juice can be recovered back by evaporation of the water.
d. The given statement is a chemical change because photosynthesis changes water $CO_2$ into organic matter.
e. The given statement shows a physical change as the salt can be obtained again by evaporation.
