Cho dãy các chất:

H₂NCH₂COOH, H₂NCH₂CONHCH(CH₃)COOH, CH₃COONH₃C₂H₅, C₆H₅NH₂, CH₃COOH. Số chất trong dãy phản ứng được với dung dịch NaOH và HCl là

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  The country experienced prosperity during the Kennedy _____________.
   

• Choose the best answer for the following sentence:

  The company is holding a competition which encourages its employees to think of the best ways to increase its _______________.

• Choose the best answer for the following sentence:

  There was a traffic jam on my way to work this morning as the main road was under ______________ .
   

• Choose the best answer for the following sentence:

  Farmers in this region always have good crops thanks to the ______________ land.
   

• Choose the best answer for the following sentence:

  During the flood, people had to live in misery due to the _____________ of food and medicine.
   

• Choose the best answer for the following sentence:

  _______________ water or air does not move and often smells bad.
   

• Choose the best answer for the following sentence:

  The film star's building stands in a _______________ position above the hill, therefore, it could be visible from very far.
   

• Choose the best answer for the following sentence:

  Happiness finally came to the patient couple after many _______________ years.
  
  

• Choose the best answer for the following sentence:

  I think the quickest way for you to lose weight is to ______________ animal fats from your diet.
  

• Choose the best answer for the following sentence:

  She is in no mood of eating for the whole day after the ___________ breakfast.