What is the substance called which can readily be converted from a liquid into a vapor, an

What is the substance called which can readily be converted from a liquid into a vapor, and also from a vapor into liquid with a reasonably narrow range of pressure？

A.Refrigerator

B.Refrigerant

C.Cooling medium

D.Brine

请帮忙给出正确答案和分析，谢谢！

您可能感兴趣的试题

The reason why the end of the bidding is called "knocking down" is that _________.A．the au

答案解析
Why is the woman calling？A．She wants to withdraw money.B．She wants information about inter

答案解析
Why is Regan called the intellectual leader of the animal rights movement？A．He is a philos

答案解析
Why is the end of bidding called "knocking down"？A．Because the auctioneer knocks on the ta

答案解析
Why cant Don call the professor himself？A．Because he is in the hospital.B．Because he has a

答案解析
What is the author’s purpose in writing this passage? A) to call on the middle class

答案解析
A new era is upon us. Call it what you will: the service economy the information age the

答案解析