Hóa 9 - Trắc nghiệm 1
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Medium
Quyen Thi
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sắt (II) Clorua có công thức hóa học là ?
FeCl3
FeBr2
FeCl2
FeBr3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bột đá vôi (Canxi Cacbonat) tan trong dung dịch nào sau đây ?
HCl
NaOH
KNO3
NaCl
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào dưới đây là kim loại:
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên hóa học và công thức của vôi sống là:
Canxi oxit: CaO
Oxit canxi: CaO
Cacbon oxit: CO
Cacbon đioxit: CO2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên liệu chính để sản xuất nhôm là quặng boxit. Thành phần chính của quặng boxit là:
Al2O3
AlCl3
AlO
Al(OH)3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thành phần chính của cát là:
Silic: Si
Silic đioxit: SiO2
Canxi Silicat: CaSiO3
Natri Silicat: Na2SiO3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thí nghiệm trên nói lên tính chất gì của axit sunfuric:
Tính háo nước
Tính ăn mòn
Tính axit
Tính kiềm
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