Answer:
I am the black child of a white father a wingless bird flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me even though there is no cause for grief and at once on my birth I am dissolved into air.
I am a precious stone, as clear as a diamond. Though you can walk on water with my power, try to keep me, and I'll vanish in an hour. What am I?
I go in dry and come out wet. The longer I stay in the stronger my surroundings get.
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not. What am I?
I am the kind of soda you must not drink.
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?