Which of the following is NOT true according to the passage?

Câu hỏi :

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct  answer to each of the following questions                               

A. . Pure water is much more conductive than most water we encounter every day. 

B. Graphite is a common solid substance that can conduct electricity. 

C. Salt can conduct electricity when it is molten or dissolved. 

D. Some materials are more conductive than others.

* Đáp án

* Hướng dẫn giải

Đáp án : A

Dòng 5 đoạn cuối: most water we encounter does contain dissolved charged particles, so it will be more conductive than pure water -> nước chứa các phần tử mang điện không hòa tan dẫn điện hơn nước nguyên chất

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