What does below chemistry rebus means?

What is the Surname of Barbie Doll?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

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

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

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

what does this picture(rebus) riddle means ?

How can you make a TV, a bed, a dog, and a car liquid?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?