NaOH Flashcards

1
Q

làm đổi màu chất chỉ thị

A

quỳ tím -> xanh
phenolphtalein -> đỏ

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2
Q

+ axit ->

A

muối + H2O
NaOH + HCl -> NaCl + H2O

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3
Q

+ oxit axit ->

A

muối + H2O
2NaOH + SO2 -> Na2SO3 + H2O

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4
Q

+ dung dịch muối ->

A

muối mới + bazơ muối
2NaOH + CuCl2 -> 2NaCl + Cu(OH)2

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