Câu hỏi :

Which statement is TRUE, according to the passage?

A. Hydrogen is too dangerous to be used for industrial purposes.

B. Hydrogen has many purposes in a variety of industries.

C. Hydrogen has limited industrial uses because of its dangerous properties.

D. Hydrogen is used in many industries for basically the same purpose

* Đáp án

B

* Hướng dẫn giải

Dẫn chứng: Hydrogen is also useful in the food industry for a process known as hydrogenation. 

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