<div class="main-heading">📌 Topic 7: Acids, Bases and Salts</div>

<div class="sub-heading">7.1 Properties of acids and bases</div>
<div class="point-item"><div class="point-question"><span><span class="point-number">1</span> Describe properties of acids: reactions with metals, bases, carbonates</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">2</span> Describe acids in terms of effect on indicators (litmus, thymolphthalein, methyl orange)</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">3</span> State that bases are oxides/hydroxides of metals; alkalis are soluble bases</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">4</span> Describe properties of bases: reactions with acids, ammonium salts</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">5</span> Describe alkalis in terms of effect on indicators</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">6</span> State that acids contain H⁺ ions; alkalis contain OH⁻ ions</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">7</span> Describe neutralisation: H⁺ + OH⁻ → H₂O</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">8</span> Define acids as proton donors, bases as proton acceptors <span class="supplement-badge">Supplement</span></span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">9</span> Define strong acids (complete dissociation) and weak acids (partial dissociation) <span class="supplement-badge">Supplement</span></span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>

<div class="sub-heading">7.2 Oxides</div>
<div class="point-item"><div class="point-question"><span><span class="point-number">1</span> Classify oxides as acidic (SO₂, CO₂) or basic (CuO, CaO)</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">2</span> Describe amphoteric oxides (Al₂O₃, ZnO) <span class="supplement-badge">Supplement</span></span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>

<div class="sub-heading">7.3 Preparation of salts</div>
<div class="point-item"><div class="point-question"><span><span class="point-number">1</span> Describe preparation of soluble salts by reaction of acid with alkali, metal, insoluble base, insoluble carbonate</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">2</span> Describe solubility rules for salts</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">3</span> Define hydrated and anhydrous substances</span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>
<div class="point-item"><div class="point-question"><span><span class="point-number">4</span> Describe preparation of insoluble salts by precipitation <span class="supplement-badge">Supplement</span></span><span class="icon">▼</span></div><div class="point-answer"><div class="answer-content"><p><em>Answer coming soon...</em></p></div></div></div>