Задача Задача №1172249
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Identify the -ing form as the Participle or the Gerund. Hydrogen chloride is usually prepared by heating a mixture of concentrated sulphuric acid and the appropriate salt. Вопрос 15 Ответ a. gerund b. participle I
In this sentence, "heating" is functioning as a participle. It is describing the action being done to prepare hydrogen chloride.
