What does below chemistry rebus means?

1. Where does Easter come from before Valentine's Day?

2. Do you know what is in the middle of Valentine's?

3. What did the lady bee say to the man bee on the occasion of Valentine's Day

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Can you count the number of squares in the given picture?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?