What is the chemical symbol for water?

What is the pH value of a neutral solution?

Which acid is found in lemons?

What is the chemical symbol for sodium?

Common salt is chemically known as:

What is the chemical formula of carbon dioxide?

What is rust chemically?

Which acid is present in vinegar?

What is the chemical symbol for gold?

Which gas is also called laughing gas?

What is the chemical formula of ammonia?

Which substance turns blue litmus red?

What is the chemical name of washing soda?

What is the chemical symbol for iron?

What is the chemical symbol for calcium?