Вопрос школьника по предмету Химия
Позначте клас сполук, до якого належить речовина з хімічною формулою Na2S04:
а) оксид в) кислота
б) сіль г) основа
Позначте клас сполук, до якого належить речовина з хімічною формулою Na2S04:
а) оксид в) кислота
б) сіль г) основа
правильный ответ: Б
оксид был бы Na2O
кислота H2SO4
соль Na2SO4
основа NaOH
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