The metal used to recover copper from a solution of copper sulphate is
A. Na
B. Ag
C. Hg
D. Fe
Answer: Option D
Solution(By Examveda Team)
The metal used to recover copper from a solution of copper sulphate is Fe.Join The Discussion
Comments ( 4 )
Related Questions on Chemistry
Which of the following phenomenon is considered responsible for Global Warming?
A. Greenhouse effect
B. Fire in coal mines
C. Dry farming
D. Monsoon
E. Trade winds
The nucleus of an atom consists of
A. electrons and neutrons
B. electrons and protons
C. protons and neutrons
D. All of the above
The number of moles of solute present in 1 kg of a solvent is called its
A. molality
B. molarity
C. normality
D. formality
In reactive series Na is more reactive than Cu then y Na is not used
Fe has greater ability to lose electron than Cu.so Fe lose electron and form iron sulphate and Cu take electrons and collect at cathod as Cu. That's why it displace the Cu by forming iron sulphates
Why we not use sodium?
Ag & Hg are less reactive than copper.
adding sodium - it would ignite before it could react.
Fe is more reaction than copper and would displace it to combine with the sulphate ion, thereby separating copper.