Which gas is used in fire extinguishers to smother flames by displacing oxygen?

What is the name of the vertical columns in the periodic table?

What is the chemical formula for methane, the main component of natural gas?

What is the name of the horizontal rows in the periodic table?

Which type of reaction involves an acid reacting with a base to form salt and water?

Which process separates a mixture of liquids based on their different boiling points?

What is the chemical name of NaOH?

What is the chemical formula for glucose, the primary energy source for cells?

Which element has the highest electronegativity on the Pauling scale?

Which element is a liquid at room temperature and is used in thermometers?

What is an isotope?