Chemistry
Which of the following methods is used in determining the number average molar mass of a macromolecule

Light scattering
Osmotic pressure
Viscosity
Sedimentation equilibrium

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
What are the components responsible for acid rain?

Oxides of carbon (COx) and Oxides of nitrogen (NOx)
Sulphur dioxide (SO2) and Nitrogen oxides (NOx)
Nitrogen monoxide (NO) and Carbon monoxide (CO)
Carbon dioxide (CO2) and Carbon monoxide (CO)

ANSWER DOWNLOAD EXAMIANS APP