KCET · Some Basic Concepts of Chemistry (1st PUC) · Quiz
5 real KCET questions on Some Basic Concepts of Chemistry (1st PUC). Instant scoring and solutions, no signup — see where you stand in ~3 minutes.
Question 1 of 2
MEDIUMIf 5×10²⁰ molecules are removed from 49 mg of H₂SO₄, how many moles of H₂SO₄ are left? (Take Avogadro's number Nₐ = 6×10²³ mol⁻¹, Molar mass of H₂SO₄ = 98 g/mol)