
K12- 2023 ĐỀ LUYỆN 7 ĐIỂM SÔ 10
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Easy
Hồng Vũ
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thành phần chính của quặng đolomit là
CaMg(SO4)4
Na3AlF6
KMgCl3
CaMg(CO3)2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại dẫn điện tốt nhất trong dãy sau là?
Cu
Al
Au
Fe
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Natricacbonat có CT là
Na2O
NaOH
NaHCO3
Na2CO3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại được điều chế bằng phương pháp nhiệt luyện là
Fe
Ca
Al
Mg
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phân tử polime nào sau đây chứa ba nguyên tố C, H, O?
Xenlulozơ
Poli(vinylclorua)
Polistiren
Polietilen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phân tử phenyl axetat có bao nhiêu nguyên tử cacbon?
4
6
8
10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây có hai liên kết đôi trong phân tử?
Etan
Etilen
Isopren
Benzen
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