Химия для чайников. Лекция 5. Кислоты и щёлочи. Две ядовитые жидкости
Не так уж твёрд гранит науки. Химия для начинающих. Борис Бояршинов. Первый образовательный канал. © Телекомпания СГУ ТВ, 2013.
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