Ôn tập HK1 Hóa 8
Quiz
•
Chemistry
•
8th - 9th Grade
•
Practice Problem
•
Medium
Nguyễn Tùng
Used 42+ times
FREE Resource
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30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất nào sau đây là chất tự nhiên?
Nước
Nhựa
Nilon
Vaccine
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nguyên tố nào sau đây kí hiệu là Fe?
Đồng
Vàng
Sắt
Nhôm
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Tách cát ra khỏi hỗn hợp nước và cát ta dùng phương pháp gì?
Chưng cất
Lọc
Chiết
Li tâm
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Hạt nào sau đây mang điện tích âm?
Proton
Nơtron
Nguyên tử
Electron
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong 1 nguyên tử, để trung hòa về điện thì
Số p bằng số e
Số p bằng số n
Số e bằng số n
Số hạt mang điện bằng số hạt không mang điện
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nguyên tố nào sau đây là kim loại?
Cacbon
Lưu huỳnh
Oxi
Đồng
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các chất sau: MgO, Fe, C12H22O11, NaCl, H2O, Cu, S. Số đơn chất và hợp chất lần lượt là
4 và 3
3 và 4
2 và 5
5 và 2
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