CHỦ ĐỀ: HIDRO
Flashcard
•
Chemistry
•
8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
Hidro là
Back
chất khí, không màu, không mùi, nhẹ hơn không khí, ít tan trong nước.
2.
FLASHCARD QUESTION
Front
Khí Hidro tác dụng với:
Back
khí oxi, đồng (II) oxit, sắt (II) oxit, sắt (III) oxit
3.
FLASHCARD QUESTION
Front
Hiện tượng khi dẫn khí hidro qua đồng (II) oxit đun nóng:
Back
Đồng (II) oxit đen chuyển thành kim loại đồng đỏ, có nước.
4.
FLASHCARD QUESTION
Front
Tổng hệ số cân bằng trong phương trình: Fe₂O₃ + H₂ → (t⁰) Fe + H₂O?
Back
9
5.
FLASHCARD QUESTION
Front
Nguyên liệu để điều chế khí hidro:
Back
Mg, Al, Fe, Zn.... và HCl, H₂SO₄ loãng.
6.
FLASHCARD QUESTION
Front
Hiện tượng khi nhỏ 1-2 ml dung dịch axit vào ống nghiệm chứa kẽm?
Back
kẽm tan dần, sủi bọt khí không màu, không mùi.
7.
FLASHCARD QUESTION
Front
Ứng dụng không phải của hidro?
Back
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