what does the below rebus means?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Spot the cat in the picture below

The centre of the third figure is empty. What digit should fit inside?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes