Cho phương trình phản ứng a Al + b HNO₃ → c Al(NO₃)₃ + d NO + e H₂O Tỉ lệ b : c là

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the correct sentence which is built from the words and phrases given:

  He / accused / of / cheated / having / was / in / his / final / exam / last / week /.
  
  

• Choose the correct sentence which is built from the words and phrases given:

  last / at / she / admitted / told / having / him / the / secret /.
  
  

• Choose the correct sentence which is built from the words and phrases given:

  read / the / having / instruction /, /she / decided / use / to / the / new / camera /.
  
  

• Choose the correct sentence which is built from the words and phrases given:

  she / apologized / for / having / borrowed / my / bicycle / without / asking / permission/.
  
  

• Choose the correct sentence which is built from the words and phrases given:

  she / the / spent / whole / afternoon / chatting / with / her / new / friend/.
  
  

• Choose the correct sentence which is built from the words and phrases given:

  most / people / prefer / spending / money / to / earning / it.
  
  

• Find a mistake in the four underlined parts of the sentence and correct it:

  The fight against illiteracy continued in summer of 2002.

• Find a mistake in the four underlined parts of the sentence and correct it:

  The students should be treat as individuals with both their strengths and

  their weaknesses.

• Find a mistake in the four underlined parts of the sentence and correct it:

  He promised not to use the office phone to personal calls.

• Find a mistake in the four underlined parts of the sentence and correct it:

  My teacher advised me to do more English exercises whether I wanted to learn it better.