← All subjects📄 Free Past Papers: FBISE Grade 12 Chemistry
🧪 Chemistry · Grade 12 · FBISE
1Ethics and Values in Chemistry
FREE2Electrochemistry
🔒3Chemical Equilibria
🔒4Acid-Base Chemistry
🔒5Group 2 Elements
🔒6The Transition Metals
🔒7Organic Chemistry
🔒8Hydrocarbons
🔒9Halogenoalkanes
🔒10Hydroxy Compounds
🔒11Carbonyl Compounds
🔒12Nitrogen Compounds
🔒13Polymers
🔒14Organic Synthesis
🔒15Biochemistry
🔒16Empirical Data Collection and Analysis
🔒17Qualitative Analysis
🔒18Spectroscopy
🔒19Chromatography
🔒20Materials
🔒21Medicine
🔒22Agriculture
🔒23Industry
🔒Study tools
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Reaction Simulator
Stoichiometry & the limiting reagent
2H₂ + O₂ → 2H₂O
STARTING MOLES
H₂10
O₂10
EXTENT OF REACTION — 40%
H₂ · limiting6.0 mol
O₂ 8.0 mol
H₂O4.0 mol