Gọi tên của chất sau đây:
H2SO4
Danh pháp IUPAC_Hóa 8
Quiz
•
Chemistry
•
9th Grade
•
Medium
Nhungoc Nguyen
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Gọi tên của chất sau đây:
H2SO4
Answer explanation
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Chỉ ra đâu là base?
NaOH
(sodium hydroxide)
HCl
(hydrochloric acid)
Cu(OH)2
(copper(II)hydroxide)
KHCO3
(potassium hydrogen carbonate)
3.
DRAW QUESTION
2 mins • 1 pt
Khoanh tròn hình đúng. Đâu là công thức đúng của acid
Answer explanation
CH3COOH
H2SO4
H3PO4
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Cho 5,6 gam iron tác dụng vừa đủ với dung dịch hydrochloric acid. Thể tích khí (lít) hydrogen thu được ở đkc là bao nhiêu?
Biết H = 1; Cl = 35,5; Fe = 56.
0,1
2,479
24,79
100
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Khi cho 200 ml dung dịch sodium hydroxide 2M tác dụng hết với V ml dung dịch sulfuric acid 1M tạo thành muối trung hòa. Tính giá trị của V.
Biết H = 1; O = 16; Na = 23; S = 32.
200
0,2
0,4
400
6.
DRAW QUESTION
3 mins • 1 pt
Gạch ngang các công thức là acidic oxide.
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Tên của chất sau: NaCl
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