Igcse Chemistry Past Paper |verified| May 2026

A) 6 dm³ B) 12 dm³ C) 24 dm³ D) 48 dm³

What is the number of molecules in 2.0 moles of carbon dioxide? (Avogadro’s constant = 6.02 × 10²³) igcse chemistry past paper

Calculate the volume occupied by 0.5 moles of oxygen gas (O₂) at room temperature and pressure (RTP). (Molar volume = 24 dm³/mol) A) 6 dm³ B) 12 dm³ C) 24

Calculate the number of moles of magnesium in 2.4 g of Mg. (Ar: Mg = 24) [2] igcse chemistry past paper

A) 1.0 mol B) 1.5 mol C) 2.0 mol D) 2.5 mol