
DẠNG 7. TÍNH THEO PHƯƠNG TRÌNH HÓA HỌC. PHẦN 1 (KHTN8)
Interactive Video
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Teacher 9.2024
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đốt cháy hoàn toàn 1,24 g phosphorus trong bình khí oxygen tạo thành oxide P2O5 .
Tính khối lượng P2O5 thu được.
5,68 gam
2,84 gam
1,42 gam
7,1 gam
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho 2, 479 L khí hydrogen (đkc) tác dụng với khí oxygen tạo thành nước. Khối lượng
nước thu được là
18 gam
1,8 gam
0,18 gam
0,9 gam
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho phương trình hóa học: CuO + H2SO4 → CuSO4 + H2O.Khi cho 1 mol CuO tác dụng với đủ với H2SO4 thu được x mol CuSO4 . Giá trị x là
0,5 mol
1 mol
2 mol
2,5 mol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0,2 mol
0,3 mol
0,4 mol
0,1 mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đốt cháy hoàn toàn 7,5 gam than đá thành phần chính là carbon, còn lại chứa 4% tạp chất không cháy.
Thể tích khí oxi cần dùng (đktc) để đốt cháy hết lượng than đá trên ở đkc là
49,58 lít.
74,37 lít.
37,185 lít.
14,874 lít.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?
Similar Resources on Wayground
7 questions
Molar Mass and Chemical Formulas
Interactive video
•
9th - 10th Grade
6 questions
Molar Mass and Chemical Composition
Interactive video
•
9th - 10th Grade
6 questions
Balancing Chemical Equations Concepts
Interactive video
•
9th - 10th Grade
6 questions
Molecular Weights and Atomic Structure
Interactive video
•
9th - 10th Grade
6 questions
Calculating Molar Mass of Compounds
Interactive video
•
9th - 10th Grade
6 questions
Ionic Compounds and Zinc Chemistry
Interactive video
•
9th - 10th Grade
7 questions
Molar Mass and Structure of S8
Interactive video
•
9th - 10th Grade
7 questions
Ionic Charges and Chemical Formulas
Interactive video
•
9th - 10th Grade
Popular Resources on Wayground
5 questions
This is not a...winter edition (Drawing game)
Quiz
•
1st - 5th Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
10 questions
Identify Iconic Christmas Movie Scenes
Interactive video
•
6th - 10th Grade
20 questions
Christmas Trivia
Quiz
•
6th - 8th Grade
18 questions
Kids Christmas Trivia
Quiz
•
KG - 5th Grade
11 questions
How well do you know your Christmas Characters?
Lesson
•
3rd Grade
14 questions
Christmas Trivia
Quiz
•
5th Grade
20 questions
How the Grinch Stole Christmas
Quiz
•
5th Grade