Chemistry, 22.07.2021 14:00 jesser9

Câu 1: Trong các dung dịch sau, dung dịch nào làm quỳ tím đổi màu xanh? A. HCl B. H2SO4 C. NaOH D. NaCl
Câu 2: Bazơ nào dưới đây là bazơ không tan?
A. KOH B. NaOH C. Cu(OH)2 D. Ca(OH)2
Câu 3: Trong các chất sau đây, chất nào không phải là muối?
A. HCl B. KCl

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Câu 1: Trong các dung dịch sau, dung dịch nào làm quỳ tím đổi màu xanh? A. HCl B. H2SO4 C. NaOH D....