Water is a poor conductor because it contains ______.
Đáp án B
Nước là chất dẫn điện kém bởi vì nó chứa
A.chỉ có điện tích dương
B. chỉ một lượng nhỏ các phân tử mang đầy điện
C. chỉ mang điện tích âm
D. không có điện tích âm hay điện tích dương
Dẫn chứng:Water itself is a poor conductor of electricity as it does not contain a significant amount of fully charged particles (the ends of a water molecule are partly charged but overall the molecule is neutral).
Which of the following is NOT considered an essential characteristic of architecture according to the passage?
Salt in its solid state is not able to conduct electricity because ______.
The author mentions “fish” in the first paragraph because __________________.
The word "substitutes" in paragraph 1 is closest in meaning to ________________.
When compared with implements "flaked with a counter-clockwise rotation”, it can be inferred that "implements flaked with a clock-wise motion" are ______________.
According to the passage, which of the following was an obstacle to the development of the icebox?
Which of the following could best serve as the title of the passage?
According to the passage, Moore's icebox allowed him to _______________.
The word "congested" in paragraph 1 is closest in meaning to ________________.