QuestionNo:1
The chief ore of aluminium is
[A] Alunite
[B] Bauxite
[C] Cryolite
[D] Felspare
QuestionNo:2
Bauxite is an oxide mineral of
[A] Barium
[B] Boron
[C] Bismuth
[D] Aluminium
QuestionNo:3
Which one of the following is used in the extraction of aluminium by electrolytic process
[A] Al2O3
[B] Al(OH)3
[C] AICl3
[D] Al2(SO4
QuestionNo:4
Which of the following method is not used for the concentration of Bauxite ore
[A] Serpeck’s method
[B] Baeyer’s method
[C] Hoope’s method
[D] Hall’s method
QuestionNo:5
Which one of the following is used in the extraction of aluminium by electrolytic process
[A] Al2O3
[B] Al(OH)3
[C] AICl3
[D] Al2(SO4)3
QuestionNo:6
Which of the following method is not used for the concentration of bauxite ore
[A] Serpeck’s method
[B] Baeyer’s method
[C] (a) Hoope’s method
[D] Hall’s method
QuestionNo:7
When baxuite is heated with NaOH solution, the water soluble compound formed is
[A] NaAlO2
[B] Na3AlO3
[C] Al(OH)3
[D] Al2O3
QuestionNo:8
100% copper is obtained from crude opper by
[A] Zone refining method
[B] electrorefining
[C] liquation
[D] poling
QuestionNo:9
Commercial zinc is refined by
[A] liquation
[B] poling
[C] electrolysis
[D] amalgamation
QuestionNo:10
Liquation method is used to refine following crude metal
[A] Silver
[B] Lead
[C] Mercury
[D] Copper
QuestionNo:11
Metal refined by cupellation process is
[A] Ag
[B] Fe
[C] Zn
[D] Sn
QuestionNo:12
Ametal contains, metal oxide as impurity. The method used to refine this metal is
[A] Poling
[B] Liquation
[C] Cupellation
[D] Distillation
QuestionNo:13
Which of the following metal is refined by distillation method
[A] Zinc
[B] Iron
[C] Tin
[D] Copper
QuestionNo:14
Which of the following metal is refined by poling process
[A] Na
[B] Cu
[C] Al
[D] Zn
QuestionNo:15
Zone refining method is used for refining
[A] Al
[B] Ge
[C] Cu
[D] Fe
Metallurgy Mock Test-4
CategoriesNEET Chemistry