← Chemistry / 2 Physical Chemistry
2.1 Salts
Chemistry · Grade 11 · 20 lessons in the design
What you will be able to do
- investigate the effect of heat on salts
- explain the solubility of salts in water
- determine the mass of salt that crystallises from a saturated solution
- explain the process of preparation of insoluble salts by precipitation reactions
- analyse the ions present in a given salt
- appreciate the importance of salts in day-to-day life
Key questions
“How are salts important in our day-to-day life?”
Lessons
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What salts are
40 min · 1 practice tasks · quizExplain what a salt is and how salts form.
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Action of heat on carbonates
40 min · 1 practice tasks · quizDescribe the action of heat on carbonates and hydrogen carbonates.
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Action of heat on nitrates
40 min · 1 practice tasks · quizDescribe the action of heat on nitrates.
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Action of heat on sulphates
40 min · 1 practice tasks · quizDescribe the action of heat on sulphates.
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Thermal decomposition and the environment
40 min · 1 practice tasks · quizDiscuss the environmental effects of heating salts.
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Solubility of salts in water
40 min · 1 practice tasks · quizExplain the solubility of salts in water.
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Effect of temperature on solubility
40 min · 1 practice tasks · quizExplain how temperature changes solubility.
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Solubility curves
40 min · 1 practice tasks · quizDraw and read solubility curves.
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Mass crystallised from a saturated solution
40 min · 1 practice tasks · quizCalculate the mass of salt that crystallises on cooling.
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Fractional crystallisation
40 min · 1 practice tasks · quizExplain fractional crystallisation.
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Industrial uses of fractional crystallisation
40 min · 1 practice tasks · quizDescribe industrial applications of fractional crystallisation.
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Preparing insoluble salts by precipitation
40 min · 1 practice tasks · quizDescribe the preparation of insoluble salts by precipitation.
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Ionic equations for precipitation
40 min · 1 practice tasks · quizWrite ionic equations for precipitation reactions.
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Tests for cations
40 min · 1 practice tasks · quizDescribe the tests for metal cations using sodium hydroxide.
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Tests for anions
40 min · 1 practice tasks · quizDescribe the tests for anions in solution.
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Tests for gases evolved
40 min · 1 practice tasks · quizDescribe the tests for gases evolved from salts.
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Flame tests
40 min · 1 practice tasks · quizUse flame tests to identify metal ions.
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Analysing an unknown salt
40 min · 1 practice tasks · quizAnalyse the ions present in a given salt.
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Complex ions
40 min · 1 practice tasks · quizDescribe complex ions formed in some tests.
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Importance of salts in daily life
40 min · 1 practice tasks · quizReview salts and appreciate their importance.