It belongs to you, but other people use it more than you do. What is it?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

What does below chemistry rebus means?

If your uncle’s sister is not your aunt, what relation is she to you?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

10+10 and 11+11 can give you the same answer.

Explain how?

Which is heavier: a ton of bricks or a ton of feathers?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?