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Chemistry, 25.07.2021 05:30 x0katie15

Hãy nhận biết từng chất trong mỗi nhóm chất sau bằng phương pháp hóa học: a) Hai chất rắn màu trắng là CaO và P2O5.

b) Hai chất khí không màu là SO2 và O2.

Viết các phương trình hóa học.

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Hãy nhận biết từng chất trong mỗi nhóm chất sau bằng phương pháp hóa học: a) Hai chất rắn màu trắng...
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