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The characteristic properties of acids and bases
Explain the key properties of acids based on their reactions with metals, bases, and carbonates.
12
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120
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84
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90 min
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CambridgeIGCSEChemistryAcids, bases and salts
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The characteristic properties of acids and bases outcomes12 objectives
- Explain the key properties of acids based on their reactions with metals, bases, and carbonates.
- Explain how acids affect litmus, thymolphthalein, and methyl orange indicators.
- Identify bases as metal oxides or hydroxides, and recognize that alkalis are soluble bases.
- Explain the key properties of bases based on their reactions with acids and ammonium salts.
- Explain how alkalis affect litmus, thymolphthalein, and methyl orange indicators.
- Recognize that solutions of acids contain positive hydrogen ions and solutions of alkalis contain negative hydroxide ions.
- Explain how to compare hydrogen ion concentration, neutrality, acidity, and alkalinity using color and pH with universal indicator paper.
- Describe the neutralization reaction between an acid and an alkali, resulting in the formation of water.
- Define acids as substances that donate protons and bases as substances that accept protons.
- Define a strong acid as one that completely dissociates in water, and a weak acid as one that partially dissociates in water.
- Identify hydrochloric acid as a strong acid based on its complete dissociation in solution.
- Identify ethanoic acid as a weak acid based on its partial dissociation in solution.
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