Tính chất kim loại tác dụng với nước
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Chemistry
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9th Grade
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Easy
hieu le
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1 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em hãy quan sát thí nghiệm và cho biết khi kim loại Sodium (Natri) tác dụng với nước tạo thành sản phẩm là gì? Khi nhúng giấy quỳ tím vào có hiện tượng gì ?
Sodium clorua (NaCl) và khí Oxygen (O2). Giấy quỳ tím không đổi màu.
Sodium sulfate (Na2SO4) và khí Nitrogen (N2). Giấy quỳ tím chuyển sang màu đỏ.
Sodium carbonat (Na2CO3) và khí Ammonia (NH3). Giấy quỳ tím chuyển sang màu vàng.
Sodium hydroxide (NaOH) và khí Hydrogen (H2). Giấy quỳ tím chuyển sang màu xanh.
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