What does below chemistry rebus means?

Solve the equation in the image by looking at the pattern closely.

Why is it against the law for a man living in Delhi to be buried in Mumbai?

Check out the number list below and find what number comes next in the sequence.

111 , 113 , 117 , 119 , 123 , 137 , ?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

what does the below rebus means?

A spaceship was lost. The detective was given a piece of paper. This was the location of the spaceship! This is what the slip had scribbled on it:
Juice, Umbrella, Potato, Ice, Tomato, Elephant, Rice.

Where is the spaceship?

People put me on the table and cut me but do not eat me. What am I?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?