Dung dịch và nồng độ (Tiết 1)
Interactive Video
•
Chemistry
•
8th Grade
•
Easy
ngoc thi
Used 7+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch được định nghĩa là gì?
Hỗn hợp đồng nhất của chất tan và dung môi
Chất rắn không hòa tan
Hỗn hợp không đồng nhất
Chất lỏng không hòa tan
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất có khả năng hoà tan chất khác để tạo thành dung dịch được gọi là ?
Chất oxi hoá
Chất khử
Dung Môi
Chất Tan
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Hỗn hợp nào khi trộn lẫn có thể tạo được dung dịch
Dầu ăn + Nước
Đất + Nước
Muối ăn + Nước
Xăng + Sơn
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Công thức nào được sử dụng để tính độ tan?
S = m chất tan - m nước
S = m chất tan + m nước
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Khi hòa tan 12 gam muối vào 20 gam nước, nếu còn lại 5 gam muối không tan, độ tan của muối là bao nhiêu?
60 g/100g H2O
12 g/100g H2O
25 g/100g H2O
35 g/100g H2O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Muối nào có độ tan giảm khi nhiệt độ tăng?
NaCl
Ce2(SO4)3
KNO3
KCl
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