What does below chemistry rebus means?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

What is the word or phrase?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

Identify the hidden meaning behind this picture?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

I have branches, but no fruit, trunk or leaves. What am I?

You need to arrange three 7 and mathematical symbols to form number 1?

I have eight fingers and two thumbs but I do not live. What Am I?