What is the chemical formula of ozone?

Which polymer is used to coat non-stick cookware due to its very low friction coefficient?

What is an isotope?

Which indicator turns red in acidic solutions and blue in alkaline solutions?

Which term describes elements in the same column of the periodic table?

Which compound is commonly known as marsh gas?

Which law states that matter can neither be created nor destroyed in a chemical reaction?

What is the common name for sodium hydroxide?

Which element has the symbol 'Fe'?

Which subatomic particle has no charge?

Which element is essential for synthesis of haemoglobin and its deficiency causes anaemia?