
Sắt và hợp chất
Authored by Trang Thu
Chemistry
12th Grade
Used 7+ times

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15 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Kim loại Fe tác dụng với lượng dư dung dịch nào sau đây tạo hợp chất sắt (III) ?
H2SO4 loãng
HCl
CuCl2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron đúng của Fe (Z=26) là:
1s22s22p63s23p63d64s2
[Ar]3d6.
1s22s22p63s23p64s23d4
[Ar]3d5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quặng giàu sắt nhất trong tự nhiên nhưng hiếm là :
Hematit
Manhetit
Pirit
Xiderit
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sắt thuộc ô ...... , chu kì ...... , nhóm ................
ô thứ 26, chu kỳ 4, nhóm VIIIB
ô thứ 26, chu kỳ 4, nhóm VIB
ô thứ 26, chu kỳ 4, nhóm VIIIA
ô thứ 56, chu kỳ 4, nhóm VIIIB
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sắt là kim loại màu………hơi …… , dễ rèn, nhiệt độ nóng chảy cao 1540 oC.
Trắng, bạc
trắng, sáng
trắng, xám
xám, sáng
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thành phần nào của cơ thể người có nhiều Fe nhất.
Tóc
Xương
Máu
Da
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quặng hematit nâu chứa ……………………………………………………………
FeS
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