Có bao nhiêu ancol bậc 3, có công thức phân tử C₆H₁₄O ?

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Một số câu hỏi khác có thể bạn quan tâm.

• In order to save electricity, an ordinary 100-watt light bulb can be replaced by...................

• If you want to save money , you should ….............the amount of water your family uses.

• Khi cho lai hai cơ thể bố mẹ đều dị hợp hai cặp gen thì đời con F1 sẽ phân ly theo tỉ lệ nào?

• Oh dear! How……….our household bills are! We can’t pay them.

• Linh didn’t come to the party because she had to ……….her younger sister.

• We'd better get ___________ to check the wiring before we start decorating.

• If we go ________ wasting water , there will be a shortage _________ fresh water in a few decades.

• My shoes are dirty. I'd better________them off before come in.

• What benefits does TV bring about to people's life?

• Hai was a Journalist , .......... he ?