CUET-UG SERIES Chemistry
Refining
2 previous year questions.
Volume: 2 Ques
Yield: Medium
High-Yield Trend
2
2023 Chapter Questions 2 MCQs
01
PYQ 2023
medium
chemistry ID: cuet-ug-
During electrolytic refining of copper, some metals settle as anode mud. These metals are :
A. Selenium and Tellurium
B. Silver and Gold
C. Gold and Platinum
D. Zinc and Platinum
E. Selenium, Gold and Platinum
Choose the correct answer from the options given below :
A. Selenium and Tellurium
B. Silver and Gold
C. Gold and Platinum
D. Zinc and Platinum
E. Selenium, Gold and Platinum
Choose the correct answer from the options given below :
1
A, D, E only
2
A, B, C and E only
3
C, D and E only
4
A, C, D, E only
02
PYQ 2023
medium
chemistry ID: cuet-ug-
Zone refining is based on the principle that
1
Impurities of low boiling point metals can be separated by distillation
2
Impurities are more soluble in molten metal than in solid metal
3
Vapours of volatile compounds can be decomposed to give pure metal
4
Different component can be absorbed differently on a adsorbant