← All subjects📄 Free Past Papers: FBISE Grade 9 Chemistry
🧪 Chemistry · Grade 9 · FBISE
1Nature of Science in Chemistry
FREE2Matter
🔒3Atomic Structure
🔒4Periodic Table and Periodicity of Properties
🔒5Chemical Bonding
🔒6Stoichiometry
🔒7Electrochemistry
🔒8Energetics
🔒9Chemical Equilibrium
🔒10Acids, Bases, and Salts
🔒11Environmental Chemistry — Air
🔒12Environmental Chemistry — Water
🔒13Organic Chemistry
🔒14Hydrocarbons
🔒15Biochemistry
🔒16Empirical Data Collection and Analysis
🔒17Separation Techniques
🔒18Qualitative Analysis
🔒19Chromatography
🔒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