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Published bywong yoke mei Modified over 5 years ago
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Unit 7.1 What is a salt?
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SALTS?
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Others example of salts Calcium Sulfate Magnesium Carbonate
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Sodium Chloride Copper sulfate
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The illustration below shows a label on a jar of orange preserve. Allergy advice: No nuts. Suitable for vegetarians. Ingredients: Sugar, oragnes, water, concentrated lemon juice, sodium citrate, citric acid, bitter orange oil. Prepared with 30g of freuit per 100g. a. Which ingredient is a salt? b. Use internet to find out why this ingredient is added to some kind of food.
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Activity 7.1 Choose a salt to research. How is this salt obtained or made? What is the salt used for? Present what you have found out in an interesting way. You could make a poster give a short talk or make a slide show
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