What is so fragile that saying its name breaks it?

What do you answer even though it never asks you questions?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

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. What am I?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

You can see it everyday, But cannot touch it at will. What is it?

What can you catch but never throw?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

What is always in front of you but can’t be seen?