Answer:
I am always around you but often forgotten. I am pure and clean most of the time, but occasionally rotten. What am I?
I stand in one place yet fill the whole room. I can be filled with molten rock and come in every hue. What am I?
What word when read from left to right is a ruler, but when read from right to left is a servant?
I am the kind of ant that's good at math.
You throw away my outside, you cook my inside. Then you eat my outside and you throw away my inside. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?