Trong phản ứng:  + H₂O   + OH^-, H₂O là một chất:

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  Many companies don't require their employees ______________ formal clothing to work, so men _____________ wear suits.
  
  

• Choose the best answer for the following sentence:

  You could bring the Changs a small gift, but you _______________ white flowers because white is the color _____________ for many Asians.
   

• Choose the best answer for the following sentence:

  Pablo can sleep ______________ everything, so nobody ought to be ______________ that he might have got up this morning when he was supposed to.
  
  

• Choose the best answer for the following sentence:

  Martinson has _____________ to do now that he's ________________ than he did when he was ____________.
   

• Choose the best answer for the following sentence:

  Computers can be considered ______________ of ______________ of the 20th century.
  
  

• Choose the best answer for the following sentence:

  I am not in favor of _______________ because scientists may want to play God.
  
  

• Choose the best answer for the following sentence:

  Students _____________ the soccer team are asked to attend this afternoon at five.
  

• Choose the best answer for the following sentence:

  Anyone ____________ about the environment cannot ignore the facts _____________ the speaker was referring.
  
  

• Choose the best answer for the following sentence:

  Our puppy ______________ a car, ______________ he survived the accident.
   

• Choose the best answer for the following sentence:

  The parking lot surrounding the mall, which is especially busy right now, may be full, ______________ I would recommend taking the bus.