1. Unit 7.1 What is a salt?

2. SALTS?

3. Others example of salts Calcium Sulfate Magnesium Carbonate

4. Sodium Chloride Copper sulfate

5. 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.

6. 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