Extraction of Non-metals from Ores
Chemistry ⇒ Metals and Non-metals
Extraction of Non-metals from Ores starts at 10 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Extraction of Non-metals from Ores.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 10
Describe the Frasch process for the extraction of sulphur.
Describe the main steps in the extraction of chlorine from brine.
Describe the process of extracting iodine from seaweed.
Describe the role of coke in the extraction of phosphorus from phosphate rock.
Describe the steps involved in the extraction of phosphorus from phosphate rock.
Explain why electrolysis is not commonly used for the extraction of non-metals.
Explain why non-metals are usually found in nature in the combined state.
Explain why non-metals like nitrogen and oxygen are obtained from air rather than from ores.
Explain why the extraction of non-metals is generally easier than that of metals.
Name the main non-metal extracted from carnallite.
Name the main ore from which sulphur is extracted.
Name the process used to extract chlorine from brine.
Name the process used to extract nitrogen from air.
What is the main impurity removed during the extraction of sulphur by the Frasch process?
