Instead of glass filters, why gelatin filters could not be used for a long period while both are Absorption filters?
A. Gelatin tends to evaporate and hence they deteriorate
B. Gelatin is affected by humidity in environment
C. They deteriorate due to absorption of heat leading to changes in gelatin
D. Gelation is affected by temperature in environment
Answer:C
Instead of glass filters, why gelatin filters could not be used for a long period while both are Absorption filters?
A. Gelatin tends to evaporate and hence they deteriorate B. Gelatin is affected by humidity in environment C. They deteriorate due to absorption of heat leading to changes in gelatin D. Gelation is affected by temperature in environment
Explanation: With absorption of heat they deteriorate due to changes in gelatin. Bleaching of dye occurs.