What does below chemistry rebus means?

What 5-letter word typed in all capital letters can be read the same upside down?

Which city is three-fifths chick two third cat and 50% goat?

Identify the hidden meaning behind this picture?

On 26-01-2022, Juli was murdered at her house in a city in India in the afternoon. There were three suspects in the murder and the following are the statements that were given by them:

John: I visited my village that day.
Jacob: I was out to deposit my house tax in the municipality office at that time.
Jonny: I was at a friend's place having lunch at that time.

Can you find out who is the murderer?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

What is black when you buy it, red when you use it, and gray when you throw it away?

Find the missing number in the image below.

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Why do Chinese men eat more rice than Japanese men do ?