Salt in its solid state is not able to conduct electricity because ______.
Giải bởi Vietjack
Đáp án D
Muối ở thể rắn không thể dẫn điện bởi vì
A.các ion mang điện của nó có thể chảy dễ dàng
B. nó không thể tạo ra ion mang điện
C. nó có các electron tự do
D. các ion mang điện của nó không tự do di chuyển
Dẫn chứng: In its solid state an ionic substance like salt cannot conduct electricity as its charged ions cannot flow.
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?
The author mentions “fish” in the first paragraph because __________________.
Which of the following could best serve as the title of the passage?
Which of the following is NOT considered an essential characteristic of architecture according to the passage?
The word "congested" in paragraph 1 is closest in meaning to ________________.
The word "substitutes" in paragraph 1 is closest in meaning to ________________.
The latest invention mentioned in the passage is the invention of ______.
