KIMNGAN21 KIMNGAN21

11-10-2021
Chemistry

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Cho muối X vào dd NaOH, đun nóng, thu được một chất khí làm xanh giấy quỳ ẩm. Chất nào sau đây thỏa mãn tính chất của X?
A.K2SO4 B.NH4NO3 C.CaCO3
D.FeCl2

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nguyeenbaoanh nguyeenbaoanh

25-10-2021

Answer:c

Explanation:

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