Iodine Sublimation & Cov Txiaj Ntsig Tswm Sim
Txhawm rau qhia cov txheej txheem melting thiab solidification ntawm naphthalene.
Sau koj cov lus ntawm no thiab xa rau peb
Txhawm rau qhia cov txheej txheem melting thiab solidification ntawm naphthalene.