Above: An example of a bauxite ore
Read the following website to assist answering the following questions. You may need to research the answer to Q1 and apply your knowledge to Q4 and Q5.
http://www.ehow.com/facts_7604423_aluminium-extracted-its-ore.html
Remember: Answer all questions in full sentences.
Aluminium, like most metals, is not readily available in the earth. Instead, aluminium occurs in an ore.
Q1) Define what an ore is
Q2) What is the ore that aluminium is extracted from?
Q3) How is alumina released from the Bauxite ore?
Q4) What would adding strong sodium hydroxide do to the pH of the bauxite ore?
Q5) When alumina is extracted, the bauxite residue has a pH of 13 or higher. This bauxite residue has to be stored in the environment somewhere. Why would this be a significant environmental hazard?
Read the following website to assist answering the following questions. You may need to research the answer to Q1 and apply your knowledge to Q4 and Q5.
http://www.ehow.com/facts_7604423_aluminium-extracted-its-ore.html
Remember: Answer all questions in full sentences.
Aluminium, like most metals, is not readily available in the earth. Instead, aluminium occurs in an ore.
Q1) Define what an ore is
Q2) What is the ore that aluminium is extracted from?
Q3) How is alumina released from the Bauxite ore?
Q4) What would adding strong sodium hydroxide do to the pH of the bauxite ore?
Q5) When alumina is extracted, the bauxite residue has a pH of 13 or higher. This bauxite residue has to be stored in the environment somewhere. Why would this be a significant environmental hazard?