Most Pharm.D students study every reaction equally. Papers do not.

Inorganic and medicinal chemistry exams recycle a tight set of high-yield chemicals — salt tests, important heterocycles, named reactions examiners love because they are easy to mark. If you cannot draw the structure from memory in ten seconds, you do not know it yet.

The method that actually sticks:

• One sheet, not five notebooks.

• Cover the answers. Say the compound out loud.

• Repeat the same 40 compounds until they are automatic.

Cramming the night before is just copying. Recall is what shows up in the hall.

Pharmacy papers love limit tests because two answers look identical if you only remember the color.

Chloride with silver nitrate: white opalescence.

Sulphate with barium chloride: white turbidity.

Same pale cloud. Different reagent. The reagent is the mark.

The rest of inorganic chemistry works the same way. Iron is purple (thioglycollic). Arsenic is a yellow Gutzeit stain. Sodium is the street-lamp yellow that hides potassium unless you use cobalt glass.

If you are still highlighting full chapters the night before, stop. Keep a twelve-line sheet: color, reagent, job, trap. Recite it. Sleep.

That is the whole method behind Pharm Chemical Cheat Sheet.