KhROMATHO namakhoi kislotai khromat va izopolikhromatro guyand. Xromatho tanho dar muhiti ishqori ustuvorand; hangomi turshonidan ba dikhromatho mubaddal meshavand. Khromathoi kaliy va natriy beshtar mamuland.
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SATHI VINTI
SATHI VINTI, sathest, ki khati £ hangomi dar girdi mehvari nojunboni OO’ bo surati kunjii …