
Tính chất và phản ứng của kim loại
Interactive Video
•
Science, Chemistry
•
8th - 9th Grade
•
Practice Problem
•
Hard
Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào có tính dẻo và dễ dát mỏng nhất?
Vàng
Sắt
Đồng
Nhôm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào có khả năng dẫn điện tốt nhất?
Bạc
Nhôm
Đồng
Vàng
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào có nhiệt độ nóng chảy cao nhất?
Vàng
Sắt
Nhôm
Tungsten
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tại sao đồng thường được sử dụng làm dây dẫn điện?
Vì đồng có giá thành rẻ
Vì đồng dễ dát mỏng
Vì đồng dẫn điện tốt
Vì đồng có ánh kim đẹp
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tại sao vàng được dùng làm đồ trang sức?
Vì vàng có giá thành rẻ
Vì vàng dễ bị oxy hóa
Vì vàng có ánh kim đẹp và bền
Vì vàng dẫn nhiệt tốt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi kim loại tác dụng với phi kim, sản phẩm thường là gì?
Axit
Muối
Hydroxide
Oxide
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phản ứng của natri với clorin tạo ra sản phẩm nào?
NaCl
Na2O
NaOH
Na2S
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