| Method |
Precise Learning Objective |
Linked |
Question / Activity
(Designed for maximum working out) |
Stepping Stones |
Pitstop Check
(Thinking Map) |
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Soluble salts can be made from acids by reacting them with solid insoluble substances, such as metals, metal oxides, hydroxides or carbonates. |
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What examples of solid insoluble substances react with acids to form soluble salts? Recall the equation for neutralisation use images to prompt their memory. Tell them this is the common equation. |
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(WS) The solid is added to the acid until no more reacts and the excess solid is filtered off to produce a solution of the salt. |
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When an excess of metal oxide reactant is added to an acid, how can the pure salt solution be collected? Practical: Collect pure insoluble salt from a solution. Write a flow map for the method, including the names of equipment and what each piece is used for. |
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Salt solutions can be crystallised to produce solid salts. |
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What process is used to produce solid soluble salts from salt solutions? Show an example of a crystallization and evaporation of salts to show the difference. Students to observe them using spy glasses and then complete a matrix map to compare the methods and the difference in the products. |
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Students should be able to describe how to make pure, dry samples of named soluble salts from information provided. |
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What are the typical steps are involved in preparing a pure, dry sample of silver chloride from silver nitrate and sodium chloride? EW: Use your flow map to construct a method to prepare a pure dry sample of silver chloride |
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Students should be able to use the formulae of common ions to deduce the formulae of salts. |
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What would the formula be if the following ions reacted to form salts:
a) Mg Cl-
b) Cu2 S2-
c) Fe2 I- Use the ion list to construct equations for students to deduce the formulae of salts or the the ions they are derived from.
Stretch - group 1 and 7 ions / group 2 and 6 ions
Challenge - Group 1 and 6 and Group 2 and 7 ions
Super Challenge - transition ions range of non metals. |
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