Chemistry
Which of the following pairs of metals are extracted only by electrolysis?
- Na, Pb
- Ca, Cu
- Na, Mg
- Ag, K
Related Questions
The particles present in strong electrolytes are
- only molecules
- mainly ions
- ions and molecules
- only atoms
On reaction of magnesium nitride with water, the gas which is liberated is ……………
- NH3
- HCl
- H2
- N2
In an exothermic process, energy is released in the form of heat or light.
Which of the following could be exothermic processes?
P. Sublimation of camphor crystals
Q. Reaction of water with quick lime
R. Dilution of an acid
- Only P
- Only Q
- Only R
- Both Q and R