Chemical Engineering Basics
Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.

Face centred cubic (fcc)
Simple cubic
Hexagonal close, packed (hcp)
Body centred cubic (bcc)

ANSWER DOWNLOAD EXAMIANS APP

Chemical Engineering Basics
The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by

Decreasing the surface area of the electrodes
Increasing the concentration of copper sulphate solution
Increasing the concentration of zinc sulphate solution
Increasing the surface area of the electrodes

ANSWER DOWNLOAD EXAMIANS APP