Cho các phát biểu sau: (a) Hiđro hóa hoàn toàn glucozơ thu được axit gluconic. (b) Phản ứng thủy phân xenlulozơ xảy ra được trong dạ dày của động vật ăn cỏ. (c) Xenlulozơ trinitrat là nguyên liệu để sản xuất tơ nhân tạo. (d) Saccarozơ bị hóa đen trong H₂SO₄ đậm đặc. (e) Trong công nghiệp dược phẩm, saccarozơ được dùng để pha chế thuốc. Số phát biểu đúng là:

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  Nowadays, more and more young people want to have a university _________ .
  
  

• Choose the best answer for the following sentence:

  He took _____________ the position that his father had obtained at the college.

• Choose the best answer for the following sentence:

  Tran Hieu Ngan was the first Vietnamese athlete ____________ an Olympic medal.
  
  

• Choose the best answer for the following sentence:

  After it ____________ dry for two months, it rained heavily last night.
  
  

• Choose the best answer for the following sentence:

  When I ______________ to visit him, he ________________ to work.
  
  

• Choose one sentence that has the different meaning to the root one:

  Her living conditions were difficult. However, she studied very well.
  
  

• Choose one sentence that has the different meaning to the root one:

  She likes sports. She likes reading.
  
  

• Choose one sentence that has the different meaning to the root one:

  She met Pierre in 1894 and in the following year they were married.
  
  

• Choose the best answer for the following sentence:

  By the time the boss returned, _______________.
  
  

• Choose the best answer for the following sentence:

  ___________ Lan had turned off the light.