Which of the following is true regarding molecular formula?

Which of the following cannot be a molecular formula for an empirical formula HO?

What does Sushruta Samhita explain?

Which of the given reactions are counted as balanced reactions?

Atoms of different elements differ in mass.

Which of the following is a chemical change?

What’s the molecular mass of carbon dioxide?

Find the amount of carbon dioxide produced by the combustion of 20g of methane.