
Hoá 12 GK2
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64 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức của phèn chua là:
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho kim loại Ba dư vào dung dịch Al2(SO4)3, thu được sản phẩm có:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho phản ứng: aAl + bHNO3 ---> cAl(NO3)3 + dN2O + eH2O. Hệ số a, b, c, d, e là các số nguyên, tối giản. Tổng (a + b) bằng
4.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Cho Al vào hỗn hợp FeCl3 và HCl dư. Sau khi phản ứng xảy ra hoàn toàn thu được các muối
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho 9,0 gam nhôm tác dụng hết với khí clo dư thì thu được m gam muối. Giá trị của m là:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất có tính chất lưỡng tính là
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các dung dịch MgCl2 và AlCl3 đều không màu. Để phân biệt 2 dung dịch này có thể dùng dung dịch của chất nào sau đây?
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