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Formula Sheet

Study of Compounds — Formula Sheet

ICSE · Class 10 · Chemistry

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

44 questions40 flashcards21 formulas & key relations5 concepts

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A labeled diagram showing the apparatus setup for the laboratory preparation of hydrogen chloride gas from sodium chloride and concentrated sulfuric acid, including a round-bottomed flask, thistle fun
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21 Entries · 5 Sections

Formulas and Key Relations

1. Hydrogen Chloride and Hydrochloric Acid

NaCl + H₂SO₄ →Heat NaHSO₄ + HCl(g)

2HCl ⇌500°C H₂ + Cl₂

HCl(g) + NH₃(g) → NH₄Cl(s)

HCl + AgNO₃ → AgCl↓ + HNO₃

HCl + Pb(NO₃)₂ → PbCl₂↓ + 2HNO₃

2. Ammonia

2NH₄Cl + Ca(OH)₂ →Heat CaCl₂ + 2H₂O + 2NH₃↑

Mg₃N₂ + 6H₂O → 3Mg(OH)₂ + 2NH₃(g)

N₂ + 3H₂ ⇌ 2NH₃ + 93.6 kJ mol⁻¹

4NH₃ + 3O₂ → 2N₂ + 6H₂O

4NH₃ + 5O₂ →Pt 800°C 4NO + 6H₂O

3. Nitric Acid

KNO₃ + H₂SO₄(Conc.) →150-200°C KHSO₄ + HNO₃(Vapour)

2NO + O₂ → 2NO₂

4NO₂ + 2H₂O + O₂ → 4HNO₃

4HNO₃ →Heat 4NO₂ + 2H₂O + O₂

4. Sulphuric Acid

2SO₂ + O₂ ⇌V₂O₅ 400-450°C 2SO₃ + 196.6 kJ

H₂SO₄ + SO₃ → H₂S₂O₇

H₂S₂O₇ + H₂O → 2H₂SO₄

C₁₂H₂₂O₁₁ →Conc. H₂SO₄ 12C + 11H₂O

C + 2H₂SO₄(Conc.) → CO₂ + 2SO₂ + 2H₂O

Key relations

Hydrogen chloride is prepared in the laboratory by heating sodium chloride with concentrated sulphuric acid: NaCl + H2SO4 →Heat NaHSO4 + HCl(g).

Ammonia is prepared in the laboratory from ammonium chloride and calcium hydroxide: 2NH4Cl + Ca(OH)2 →Heat CaCl2 + 2H2O + 2NH3↑.

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Frequently Asked Questions

What are the important topics in Study of Compounds for ICSE Class 10 Chemistry?
Key topics in Study of Compounds include Hydrogen Chloride and Hydrochloric Acid, Ammonia and Ammonium Hydroxide, Nitric Acid and Nitrates, Sulphuric Acid and Contact Process. Study these first, then practise questions on each for the ICSE Class 10 board exam.
How many formulas are in Study of Compounds?
This sheet lists 21 formulas from Study of Compounds, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Study of Compounds for the ICSE Class 10 board exam?
Learn the core ideas first, then work through the 44 practice questions on Study of Compounds. 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 Study of Compounds

All ICSE Class 10 Chemistry Formula Sheet

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