Mining, Mineral Processing, and Energy Resources (Grade 11 NSC Matric Physical Sciences): Quizzes
📚Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which element is the most abundant in Earth's crust?
Which element is the most abundant in Earth's crust?
Oxygen
What is the main purpose of the exploration stage in mining?
What is the main purpose of the exploration stage in mining?
Locating profitable mineral deposits
What is the maximum depth for which surface mining is typically used?
What is the maximum depth for which surface mining is typically used?
1000m
Which extraction method uses liquids, often acids, to dissolve minerals?
Which extraction method uses liquids, often acids, to dissolve minerals?
Leaching
In the MacArthur-Forrest process, what happens to gold when is added?
In the MacArthur-Forrest process, what happens to gold when is added?
Gold is oxidised
Which property makes gold useful in space suits and firefighting masks?
Which property makes gold useful in space suits and firefighting masks?
Reflects heat effectively
Which extraction technique is used for copper?
Which extraction technique is used for copper?
Leaching with acid
What does panning use to separate gold from sediments?
What does panning use to separate gold from sediments?
Water and gravity
Which harmful gases contribute to air pollution from mining?
Which harmful gases contribute to air pollution from mining?
and
What is the main goal of mine rehabilitation?
What is the main goal of mine rehabilitation?
Restore sites to safe conditions