Trong phòng thí nghiệm etilen được điều chế bằng cách:

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• 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 ?

• Lan's parents don't like her ............... on the internet. They say it's a waste of time.

• Everything is all right,.........?

• Trong chu kì tế bào NST tự nhân đôi ở:

• Kiểu gen của cơ thể đồng hợp là;