Iron rod is immersed in Kcl solution such that half its length is exposed to air and the other half immersed in KCl solution. The part corroded is

Iron rod is immersed in NaCl solution such that half its length is exposed to air and the other half immersed in NaCl solution. Which part is corroded and why ?

Zinc rod is immersed in a solution of copper sulphate

When iron rod is immersed in copper sulphate solution.

When a rod of copper is immersed in a solution of ZnSO_(4) zinc gets precipitated.

When a body floats in a liquid, x part of its volume remains exposed to air. If the body is immersed completely inside the liquid and then released, what will be the upward acceleration of the body?

Zn rod is immersed in CuSO_4 solution.What will you observe after an hour ? Explain you observation in terms of redox reaction .

Keep two carbon rods immersed in copper sulphate solution.Then pass electricity through the solution: Is there any change in the blue colour of the copper sulphate solution?

When an iron nail is immersed in copper sulphate solution, the colour of solution changes from blue to green colour, The substance formed is the solution is_________

A vessel contains oil (density =13.6 gm//cm^3 ). A uniform sphere floats with half its volume immersed in mercury and the other half in oil. The density of the material of sphere in gm//cm^3 is: