Предмет: Химия, автор: allochka10203012

162. Выберите утверждения, в которых выделен- ное слово обозначает простое вещество: а) прочность железа и его сплавов очень высока; б) магний входит в состав молекулы хлорофилла; в) массовая доля кальция в организме человека составляет 1,5%; г) санитарные нормы устанавливают содержание железа в питьевой воде; д) в состав любых белков входит азот; е) кристаллы иода имеют «металлический» блеск; ж) белый фосфор ядовит; 3) кремний имеет высокую температуру плавления.

Ответы

Автор ответа: timofejbuanov6095

1

Ответ:

a), д), е)

Объяснение: тк описываются физические св-ва, а они присущи только простым веществам

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