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Formula Sheet

Water — Formula Sheet

ICSE · Class 9 · Chemistry

10 formulas from Water (ICSE Class 9 Chemistry) on one page, grouped by topic. Part of the ICSE Class 9 Chemistry syllabus.

43 questions36 flashcards10 formulas & key relations5 concepts

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A diagram illustrating the arrangement and movement of particles in solid, liquid, and gaseous states of matter.
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10 Entries · 3 Sections

Formulas and Key Relations

Core facts about water

H2O

Molecular mass of water = 18 amu

Concentration of solution = (Mass of solute / Mass of solution) × 100

Volume percent = (Volume of solute / (Volume of solute + Volume of solvent)) × 100

Solubility = (M2 - M) / [(M1 - M) - (M2 - M)] × 100

Hydrated, anhydrous, and crystal properties

% of water of crystallization = (a - b)/a × 100

Hard and soft water

Ca(HCO3)2 --Boil--> CaCO3↓ + H2O + CO2↑

Mg(HCO3)2 --Boil--> MgCO3↓ + H2O + CO2↑

Ca(HCO3)2 + Ca(OH)2 → 2CaCO3↓ + 2H2O

Ca(HCO3)2 + Na2CO3 → CaCO3↓ + 2NaHCO3

Full sheet with units and worked examples

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Frequently Asked Questions

What are the important topics in Water for ICSE Class 9 Chemistry?
Key topics in Water include Water: Basic Facts and Physical Properties, Water as a Universal Solvent and Solutions, Solubility, Concentration, and Solubility Curves, Crystals, Hydrated and Anhydrous Substances. Study these first, then practise questions on each for Class 9 exams.
How many formulas are in Water?
This sheet lists 10 formulas from Water, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Water for Class 9 exams?
Learn the core ideas first, then work through the 43 practice questions on Water. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Water

All ICSE Class 9 Chemistry Formula Sheet

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