45:40

IUPAC name of carboxylic acids,esters, amines,nitroalkanes

55:19

Preparation of alkanes

51:49

Biomolecules

39:54

Lipids or fats

47:18

P-N junction diode

1:10:41

MATRICES CONCEPT REVISION WITH PREVIOUS YEAR QUESTIONS | IMPORTANT PYQS OF JEE MAINS BY RKG SIR

32:03

Halogen analysis

42:40

The living state, enzymes