Xem phương trình sau:
Al + 6HCl → 2AlCl3 + 3H2
KHTN lớp 8
Quiz
•
Chemistry
•
8th Grade
•
Hard
ThuyAi lynguyen
Used 2+ times
FREE Resource
47 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Xem phương trình sau:
Al + 6HCl → 2AlCl3 + 3H2
Đúng
Sai
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Xem phương trình sau:
4P + 5O2 → 2P2O5
Đúng
Sai
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Xem phương trình sau:
2Fe(OH)3 ------→ Fe2O3 + H2
Đúng
Sai
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Xem phương trình sau:
Al2(SO4)3 + BaCl2 → 3BaSO4 + AlCl3
Đúng
Sai
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khối lượng nguyên tử được tính bằng đơn vị gam (g)
Đúng
Sai
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Xem phương trình sau:
2H2O -----> 2H2↑ + O2↑ ( điện phân)
Đúng
Sai
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mol là đơn vị đo lượng chất
Đúng
Sai
48 questions
đề cương giữa kì 2 hóa 11
Quiz
•
8th Grade
50 questions
ai nhanh hơn?ai tài năng hơn?
Quiz
•
8th - 12th Grade
51 questions
HK1 - HOA HOC 1-51 (LOP 8)
Quiz
•
8th Grade
45 questions
ĐL BTKL
Quiz
•
8th Grade
44 questions
trắc nghiệm hoá 8- hk II
Quiz
•
8th Grade
50 questions
ÔN TẬP HỌC KÌ II HOÁ 8
Quiz
•
8th Grade
50 questions
(Hoá học 8) Đề cương ôn tập giữa học kì II. Môn Hoá học 8
Quiz
•
8th Grade
46 questions
Bài kiểm tra hóa 8 gk1 2024-2025
Quiz
•
8th Grade
15 questions
Multiplication Facts
Quiz
•
4th Grade
20 questions
Math Review - Grade 6
Quiz
•
6th Grade
20 questions
math review
Quiz
•
4th Grade
5 questions
capitalization in sentences
Quiz
•
5th - 8th Grade
10 questions
Juneteenth History and Significance
Interactive video
•
5th - 8th Grade
15 questions
Adding and Subtracting Fractions
Quiz
•
5th Grade
10 questions
R2H Day One Internship Expectation Review Guidelines
Quiz
•
Professional Development
12 questions
Dividing Fractions
Quiz
•
6th Grade
5 questions
capitalization in sentences
Quiz
•
5th - 8th Grade
10 questions
Juneteenth History and Significance
Interactive video
•
5th - 8th Grade
10 questions
Identify Slope and y-intercept (from equation)
Quiz
•
8th - 9th Grade
10 questions
Juneteenth: History and Significance
Interactive video
•
7th - 12th Grade
15 questions
Volume Prisms, Cylinders, Cones & Spheres
Quiz
•
8th Grade
26 questions
June 19th
Quiz
•
4th - 9th Grade
25 questions
Argumentative Writing & Informational Text Vocabulary Review
Quiz
•
8th Grade
18 questions
Informational Text Vocabulary
Quiz
•
7th - 8th Grade