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How is copper ore turned into copper pipes?

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Presentation on theme: "How is copper ore turned into copper pipes?"— Presentation transcript:

1 How is copper ore turned into copper pipes?
Extraction of metals Quick Starter How is copper ore turned into copper pipes? show hint show answer

2 How is copper ore turned into copper pipes?
Extraction of metals Quick Starter How is copper ore turned into copper pipes? Copper ores are mainly oxides and sulfides Hint X show hint show answer

3 How is copper ore turned into copper pipes?
Extraction of metals Quick Starter How is copper ore turned into copper pipes? show hint show answer

4 Extraction of metals Quick Starter We heat it with carbon The carbon transfers electrons to the copper ions converting them into copper atoms and, therefore, copper metal Copper is low on the reactivity series, so it is very unreactive to the water flowing through pipes back to question

5 Extracting metal Solve these anagrams. Do you know what they mean? Eor
Cavityrite seersi Atvine Extension: Can you explain the above terms?

6 Extracting metals Learning Objectives:
Know how different metals are extracted from their ores Write balanced equations to show the extraction of metal Explain why carbon is used to extract some metals, and link this to their reactivity

7 Ores and reactivity Ores are minerals with metal in them
To be extracted, ores must contain enough metal to make it economical to extract the ore

8 What metals are in these?
Bauxite Malachite Hint: Think of old buildings… Haematite Hint: It is magnetic

9 Haematite: iron oxide (Fe2O3) Bauxite: aluminium oxide (Al2O3)
Malachite: copper carbonate (CuCO3) What do you notice about the content of ores? Often reacted to oxygen Some are found pure How do we know which?

10 Potassium Sodium Aluminium Carbon Zinc Iron Copper Silver Gold
Most reactive Potassium Sodium Aluminium Carbon Zinc Iron Copper Silver Gold Extracted from their ores by electrolysis (using electricity) Extracted from their ores by reduction by carbon No extraction necessary – found pure in the ground. Least reactive

11 What are Ores? Most metals are too …………… to exist on their own in the ground. Instead they exist combined with other elements (typically o……….. or sulphur) as ……………….. called …………. A few metals are so ……………….. that they exist uncombined, as ……….metals e.g. gold, ……………….. Words: ores silver reactive oxygen compounds unreactive pure` Metal Name of ore Compound in ore Aluminium Bauxite Aluminium oxide (Al2O3)

12 Extracting metal Undertake the experiment to extract copper
Tuck the chairs in Safety goggles Clear the table Tie up long hair

13 Answer the questions given in the practical sheet.

14 Reliable, safe or valid? Using goggles Repeating the experiment
Always using the same amount of carbon Always using the same amount of metal oxide Repeating any anomalous results Keep chemical away from others during heating Heating for the same amount of time SAFE RELIABLE VALID VALID RELIABLE SAFE VALID

15 Homework Answer the worksheet

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