Which of the following is capable of absorbing excess moisture from the air?
(a) Silica gel
(b) Charcoal
(c) Salts of calcium or ammonia
(d) Activated alumina
I got this question in final exam.
This is a very interesting question from Systems and Essentials of Air Conditioning System topic in portion Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials