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Standard X
Chemistry
Blast Furnace Process
Heating of su...
Question
Heating of sulphide ores in the presence of oxygen is termed as:
A
roasting
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B
calcination
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C
leaching
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D
levigation
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Solution
The correct option is
A
roasting
Heating of sulphide ores in the presence of oxygen is termed as roasting.
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Q.
Heating of sulphide ores in the presence of oxygen is termed as
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The sulphide ores are converted into its oxides by heating strongly in presence of excess of air. What is the term given to this process?
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The sulphide ores are converted into oxides by heating strongly in the presence of excess air. This process is known as:
(correct answer +1, wrong answer -0.25)
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In which among the following processes ore is heated in the presence of excess air to convert the sulphide ore into its oxides?
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Question 47
A metal that exists as a liquid at room temperature is obtained by heating its sulphide in the presence of air. Identify the metal and its ore and give the reaction involved.
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