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KCET · Some Basic Concepts of Chemistry (1st PUC) · Quiz

Some Basic Concepts of Chemistry (1st PUC) — quick quiz

2 KCET-pattern questions on Some Basic Concepts of Chemistry (1st PUC). Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 2

Medium

If 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)