Even minute presence of impurities in copper impairs its electrical conductivity seriously. Electrolytic refinning of blister copper is resorted to, when?

Cheap electricity is available
The precious metal content of copper is high
There is a demand for ultrapure (99.99%) electrolytic copper
All of the above

LohaHridoy

5 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 4

Let'

5 views Answered 2022-09-01 13:21

Related Questions

Only when . . . . . . failed, the police resorted to . . . . . .?

1 Answers 4 Views

The ratio of thermal & electrical conductivity is same for all the metals at the same temperature ; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K)?

1 Answers 7 Views

The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K₀ + at. where, K is the thermal conductivity and T is the temperature (in °K). The units of 'a' in SI system will be?

1 Answers 5 Views

Direction : Two statements I and II are given. These statement may be either independent causes or may be effects of independent causes or a common cause. One of these statements may be the effect of the other statements. Read both the statements and decide which of the following answer choice correctly depicts the relationship between these two statements. Mark answer : I. Police resorted to lathi-charge to disperse the unlawful gathering of large number of people. II. The citizens' forum called a general strike in protest against the police atrocities.?

1 Answers 4 Views

Which variety of copper has the best conductivity?

1 Answers 4 Views

Which of the following variety of copper has the best conductivity ?

1 Answers 4 Views

The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C.?

1 Answers 6 Views

Which of the following metals is not subjected to electrolytic refinning/purification?

1 Answers 4 Views

Which of the following materials has the poorest electrical conductivity?

1 Answers 4 Views

Which of the following adsorbant is used in the refinning of sugar?

1 Answers 5 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)