
TEST HÓA - LÝ (acid, base, pH, điện 1/2
Quiz
•
Science
•
8th Grade
•
Medium
Danh Trần
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Điền từ, cụm từ vào chỗ trống: "Acid là những …(1)... trong phân tử có nguyên tử …(2..)... liên kết với gốc acid. Khi tan trong nước, acid tạo ra ion ...(3)…" Thứ tự điền vào (1), (2), (3) là:
hợp chất, hydrogen, H+.
hợp chất, hydroxide, H+.
đơn chất, hydroxide, OH−.
đơn chất, hydroxide, OH−.
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Dung dịch acid là những chất làm cho quỳ tím chuyển sang màu:
Đỏ.
Xanh.
Tím.
Vàng.
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Dung dịch hydrochloric acid (HCl) tác dụng với Ion tạo thành:
Iron (II) chloride và khí hydrogen.
Iron (II) sunfide và khí hydrogen.
Iron (III) chloride và khí hydrogen.
Iron (II) chloride và nước.
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Chọn từ thích hợp điền vào chỗ trống cho khái niệm sau: "Base là những ... trong phân tử có nguyên tử kim loại liên kết với nhóm ... . Khi tan trong nước, base tạo ra ion ..."
hợp chất, hydroxide, OH-.
đơn chất, hydrogen, OH-.
đơn chất, hydroxide, H+ .
hợp chất, hydrogen, H+ .
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Dung dịch base làm cho dung dịch phenolphtalein không màu chuyển sang màu
hồng.
xanh.
tím.
đỏ.
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Base NaOH có tên gọi là
sodium hydroxide.
potassium hydroxide.
barium hydroxide.
canxium hydroxide.
7.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
Cho các chất sau: H2SO4, NaCl, HCl,CuSO4,NaOH, Mg(OH)2. Số chất không thuộc loại acid là:
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