1
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Among the following the calcination process is
A
$2 \mathrm{Cu}_{2} \mathrm{~S}+3 \mathrm{O}_{2} \xrightarrow{\Delta} 2 \mathrm{Cu}_{2} \mathrm{O}+2 \mathrm{SO}_{2} \uparrow$
B
$\mathrm{Al}_{2} \mathrm{O}_{3}(\mathrm{~s})+2 \mathrm{NaOH}(a q)+3 \mathrm{H}_{2} \mathrm{O}(l) \rightarrow 2 \mathrm{Na}\left[\mathrm{Al}(\mathrm{OH})_{4}\right](a q)$
C
$2 \mathrm{CuFeS}_{2}+\mathrm{O}_{2} \rightarrow \mathrm{Cu}_{2} \mathrm{~S}+2 \mathrm{FeS}+\mathrm{SO}_{2} \uparrow$
D
$\mathrm{Fe}_{2} \mathrm{O}_{3} \cdot x \mathrm{H}_{2} \mathrm{O}(\mathrm{s}) \rightarrow \mathrm{Fe}_{2} \mathrm{O}_{3}(\mathrm{~s})+x \mathrm{H}_{2} \mathrm{O}(g)$
2
TG EAPCET 2024 (Online) 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Kaolinite is a silicate mineral of metal ' $X$ ' and calamine is a carbonate mineral of metal ' $Y^{\prime}, X$ and $Y$ respectively are
A
$\mathrm{Fe}, \mathrm{Cu}$
B
$\mathrm{Zn}, \mathrm{Al}$
C
$\mathrm{Al}, \mathrm{Zn}$
D
$\mathrm{Zn}, \mathrm{Cu}$
3
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The major components of cement are
A
$\mathrm{SiO}_2, \mathrm{Al}_2 \mathrm{O}_3$
B
$\mathrm{SiO}_2, \mathrm{Fe}_2 \mathrm{O}_3$
C
$\mathrm{Al}_2 \mathrm{O}_3, \mathrm{Fe}_2 \mathrm{O}_3$
D
$\mathrm{SiO}_2, \mathrm{CaO}$
4
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A low boiling point metal contains high boiling point metal as impurity. The correct refining method is
A
liquation
B
distillation
C
poling
D
vapour phase refining
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