What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

What is the longest word in the dictionary?

A man dies of old age on his 25 birthday. How is this possible?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

By what process could you make a 'Tea-Table' into food?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?