Medium
The processes of calcination and roasting in metallurgical industries,respectively,can lead to :-
- AGlobal warming and acid rain
- BPhotochemical smog and ozone layer depletion
- CGlobal warming and photochemical smog
- DPhotochemical smog and global warming
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Similar Questions
Roasting is done in
Medium
View SolutionWhich of the following reactions is an example of calcination?
Easy
View SolutionChoose the correct code regarding the Roasting process.
$I$. It is the process of heating ore in air to obtain the oxide.
$II$. It is an exothermic process.
$III$. It is used for hydrated oxide and oxysalt ore.
$IV$. It is used after the concentration of ore.
$I$. It is the process of heating ore in air to obtain the oxide.
$II$. It is an exothermic process.
$III$. It is used for hydrated oxide and oxysalt ore.
$IV$. It is used after the concentration of ore.
Medium
View SolutionZinc is obtained from zinc blende by:
Easy
View SolutionWhat is produced when zinc blende is roasted in air?
Medium
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