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Assertion: Zinc can be extracted from its ore by roasting followed by reduction with carbon.
Reason: Roasting converts zinc sulfide ore into zinc oxide, which can be reduced to zinc metal by carbon.
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Assertion is correct but Reason is incorrect
Assertion is incorrect but Reason is correct
Answers (1)
The assertion states that zinc can be extracted from its ore by roasting followed by reduction with carbon. This statement is true.
The reason provided explains the process involved in extracting zinc from its ore. It states that roasting converts zinc sulfide ore into zinc oxide, which can then be reduced to zinc metal by carbon. This is also true and provides the correct explanation for the assertion.
In the roasting process, zinc sulfide ore is heated in the presence of oxygen. This converts the zinc sulfide into zinc oxide
and sulfur dioxide gas
. The reaction can be represented as:
The resulting zinc oxide is then reduced to elemental zinc by carbon (typically in the form of coke) in a separate reduction process:
The carbon reacts with the zinc oxide, displacing the oxygen and producing zinc metal and carbon monoxide gas.
Therefore, both the assertion and reason are correct, and the reason provides the correct explanation for the assertion. Hence, option 1) is the correct choice.
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