What is the name of gelatinous layer existing between two germ layer of Cnidaria?
Zinc nitrate reacts with ammonium hydroxide to give a white gelatinous precipitate of X which is soluble in excess of ammonium hydroxide. What is X?
What is the precipitate formed when a pale green compound reacts with caustic soda to form dirty green gelatinous precipitate along with sodium sulphate?