Chromatography is used to separate components of mixtures...
Chromatography is used to separate components of mixtures which differ in their rates of
diffusion
migration
reaction
sedimentation
sublimation
Correct answer is B
No explanation has been provided for this answer.
Considered the reaction: H+(aq) + OH - (aq) → H2O (l). The energy change taking place in the reac...
It can be deduced from the vapour pressure curves above that...
The following compounds are hydrocarbons except ...
The quantity of electricity required to discharge 1 mole of univalent ion is ...
Which of the following statements about an exothermic reaction is correct? ...