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Cô Giáo Bốp
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Friday 07 August 2026 01:03:28 GMT
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This unit explains the fundamental chemical substances acids, bases, and salts, their properties, reactions, and importance in daily life. 🔴 Acids Acids are substances that release hydrogen ions (H⁺) in aqueous solution. They usually have a sour taste, turn blue litmus red, and react with metals to produce hydrogen gas. Examples: HCl (Hydrochloric acid), H₂SO₄ (Sulphuric acid), CH₃COOH (Acetic acid) Key properties: pH less than 7 Corrosive in nature Conduct electricity in solution 🔵 Bases Bases are substances that release hydroxide ions (OH⁻) in water. They have a bitter taste, feel soapy, and turn red litmus blue. Examples: NaOH (Sodium hydroxide), KOH (Potassium hydroxide), Ca(OH)₂ (Calcium hydroxide) Key properties: pH greater than 7 Slippery texture Neutralize acids ⚪ Salts Salts are formed when an acid reacts with a base in a neutralization reaction. They are ionic compounds made of positive and negative ions. Example reaction: Acid + Base → Salt + Water Examples: NaCl (Sodium chloride), K₂SO₄ (Potassium sulfate) Types of salts Normal salt Acidic salt Basic salt Double salt Complex salt ⚗️ Important Reactions Acid + Metal → Salt + Hydrogen gas Acid + Base → Salt + Water (Neutralization) Acid + Metal carbonate → Salt + CO₂ + Water 🌍 Importance in Daily Life Acids in food (vinegar, citrus fruits) Bases in cleaning agents (soap, detergents) Salts in food, medicines, and industry 👉 Follow for more easy content! or join our Whatsapp channel👇👇👇👇  https://whatsapp.com/channel/0029Vb7uiP0AYlUNkzs66y0o  03434506679 #Aspire_Coaching_Academy #Malakand  #creatorsearchinsights #chemistrynotes #unit02
This unit explains the fundamental chemical substances acids, bases, and salts, their properties, reactions, and importance in daily life. 🔴 Acids Acids are substances that release hydrogen ions (H⁺) in aqueous solution. They usually have a sour taste, turn blue litmus red, and react with metals to produce hydrogen gas. Examples: HCl (Hydrochloric acid), H₂SO₄ (Sulphuric acid), CH₃COOH (Acetic acid) Key properties: pH less than 7 Corrosive in nature Conduct electricity in solution 🔵 Bases Bases are substances that release hydroxide ions (OH⁻) in water. They have a bitter taste, feel soapy, and turn red litmus blue. Examples: NaOH (Sodium hydroxide), KOH (Potassium hydroxide), Ca(OH)₂ (Calcium hydroxide) Key properties: pH greater than 7 Slippery texture Neutralize acids ⚪ Salts Salts are formed when an acid reacts with a base in a neutralization reaction. They are ionic compounds made of positive and negative ions. Example reaction: Acid + Base → Salt + Water Examples: NaCl (Sodium chloride), K₂SO₄ (Potassium sulfate) Types of salts Normal salt Acidic salt Basic salt Double salt Complex salt ⚗️ Important Reactions Acid + Metal → Salt + Hydrogen gas Acid + Base → Salt + Water (Neutralization) Acid + Metal carbonate → Salt + CO₂ + Water 🌍 Importance in Daily Life Acids in food (vinegar, citrus fruits) Bases in cleaning agents (soap, detergents) Salts in food, medicines, and industry 👉 Follow for more easy content! or join our Whatsapp channel👇👇👇👇 https://whatsapp.com/channel/0029Vb7uiP0AYlUNkzs66y0o 03434506679 #Aspire_Coaching_Academy #Malakand #creatorsearchinsights #chemistrynotes #unit02

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