
Trắc nghiệm về Trái Đất và bầu trời
Authored by Cao Nhung
Science
9th Grade
Used 1+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vỏ Trái Đất chủ yếu gồm:
Kim loại nặng
Silic và oxi
Hydro và heli
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khoáng sản là:
Vật liệu nhân tạo
Sản phẩm chế biến công nghiệp
Tài nguyên thiên nhiên chứa khoáng chất có ích
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tài nguyên không tái tạo là:
Gió
Than đá
Nước
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thành phần chính của cát thạch anh là:
NaCl
CaCO₃
SiO₂
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguồn phát thải lớn CO₂ hiện nay chủ yếu từ:
Hô hấp thực vật
Đốt nhiên liệu hoá thạch
Hô hấp động vật
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chu trình carbon có vai trò:
Góp phần ổn định khí hậu và cân bằng sinh thái
Chỉ gây hại cho môi trường
Không ảnh hưởng gì đến tự nhiên
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thạch cao có công thức:
CaCO₃
CaSO₄·2H₂O
Na₂CO₃
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