phanphuongngan190107 phanphuongngan190107
  • 22-07-2021
  • Chemistry
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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. 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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chouchou2697
chouchou2697 chouchou2697
  • 22-07-2021

C. NaOH

C. Cu (OH)

A. HCl

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