38 year neet pyq , mole concept
Past 38 Years NEET/AIPMT PYQs on Some Basic Concepts of Chemistry (Mole Concept) Welcome to our comprehensive collection of previous year questions (PYQs) from the topic "Some Basic Concepts of Chemistry" — primarily covering Mole Concept, Stoichiometry, Limiting Reagent, Molar Mass, Empirical & Molecular Formula etc. These questions have appeared in NEET/AIPMT exams from 1988 to 2024 . Each question is followed by a detailed solution and the year in which it was asked. ЁЯФ╣ NEET/AIPMT 1988–1995: PYQs with Solutions (1988–1995 questions already listed) ЁЯФ╣ NEET/AIPMT 1996–2005: PYQs with Solutions (1996–2005 questions already listed) ЁЯФ╣ NEET/AIPMT 2006–2024: PYQs with Solutions 19. [AIPMT 2006] Calculate number of atoms in 1.6 g of oxygen gas. Solution: O2 mol = 1.6 / 32 = 0.05 mol Molecules = 0.05 × 6.022×10²³ = 3.011×10²² Atoms = 2 × 3.011×10²² = 6.022×10²² Answer: 6.022×10²² atoms 20. [AIPMT 2007] What is the molar mass of a compound if 0.5 mol weig...
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