Not really. Bananas would do more to add moisture to a cake.
The best egg substitute for cake baking is applesauce, mashed bananas, or commercial egg replacers like Ener-G. These ingredients can help bind the cake together and provide moisture, similar to eggs.
The moisture from the ingredients should be enough to bake the cake, you shouldn't need any extra. But yes, you need moisture to bake a cake.
You can use silica gel packets or moisture-absorbing crystals to safely absorb moisture.
The bananas are mashed and the put in the cake mix
A small beanbag filled with rice will absorb moisture.
Yes, baking powder has the ability to absorb moisture.
Charcoal can absorb and retain up to 60 of its weight in moisture.
Using a dehumidifier is a popular way of absorbing moisture. Dehumidifiers absorb moisture by condensing water onto a cold surface.
DOT 5 is silicon based and will not absorb moisture.
Silica Gel can absorb 40% of its weight in moisture.
Moisture leaves the cake, and the ingredients turn form liquid to solid. As moisture and steam / hot air leave the cake, it can shrink a little.
no