Answer:
My first half means container. Not a lot of people understand my language. What am I?
My first two letters say my name. My last letter asks a question. What I embrace I destroy.
Why are there no living cats on Mars?
I make a loud noise when changing jacket. I become bigger and delicious.
I get dirty when wiping things clean. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.