NCERT Class 8 Science Chapter 5: Coal and Petroleum | NSO | NSTSE | Olympiad

[@prathibharanichelimala5646]

Thank you mam for explaining it is really used for my exam

[@crazygamer_7147]

Thanku mam 😊😊😊 very very easy chapter 👍

[@ERRORISOPguy]

Thank you for explaining mam understood this whole lesson

[@raghadelshafey7252]

She wrote carbonisation instead of carbonization

[@MoOnBreathin]

both r js the same man

[@SacGamin2010]

Thank u nan for making it easier

[@muhsinaek7715]

It is very good and I got full marks in my exam thank you ma'am

[@funnychannelstudents1092]

Best explanation ever we are you fan❤

[@GURJAR_865]

Thannkuuuu

[@mareddymamatha6182]

mam combuntion Flame topic explain mam

[@Nautiyal_family89]

Rivisionnnnnnnn😎😎😎

[@DiyaBinuBinu]

👍

[@Monochrome_blr]

w teacher