arabera Adayla Williams 12 years ago
467
Honelako gehiago
reuben piatigorsky-roth‑k egina
Bhatty Shayan‑k egina
efrata amirim‑k egina
Toh Chang Hui‑k egina
Alkalis
Hydroxide
Detergent
soapsoaps
Postiive
Negative
Oxidation
Rusting
Carbon
hydrogen