2. 首页 > 题库三 >
  2. 问题

R507表示（）制冷剂。

7 查阅

R507表示（）制冷剂。

A.氟利昂

B.无机化合物

C.共沸混合

D.非共沸混合

参考答案:

答案：共沸混合

相关问题:
  • 下列哪个过程中，有机物被降解后释放出简单的无机化合物？
  • 下列哪种氟利昂对于臭氧层有破坏作用？
  • 为了从符号上显示制冷剂元素的组成，区别各类氟利昂对臭氧的作用，空调用制
  • “无氟冰箱”指的是采用不含氟原子的氟利昂作为制冷剂。
    • 随便看看:
  • 健康养生
  • 亲子
  • 胎教
  • 孕妇健康
  • 中药百科
  • 心理

    • Ta老师-周边问题

    1.
    The clash occurs when African traditio
    2.
    What are the reading’s benefits that
    3.
    The novel Thing fall apart, setting in
    4.
    What kinds of books helps Thomas Merto
    5.
    The author’s tone in the passage is（）.
    6.
    Why does Miller especially admire abou
    7.
    According to Miller, what should you d
    8.
    “A book lying idle on a shelf is wast
    9.
    Which one is not the struggle that Mil
    10.
    According to the author, what is the a
    11.
    Why are we like Alice in wonderland wh
    12.
    What is the main writing purpose of th
    13.
    Using her own story, the writers elabo
    14.
    After she got the first salary in The
    15.
    Tony invested in the writer by giving
    16.
    She declined the offer to do an MA at
    17.
    In the passage If you ask me, the writ
    18.
    What do Whoopi Goldberg, Bruce Willis
    19.
    How are Jack’s parents helping him?
    20.
    How do most of his friends spend the d
    版权所有,保留一切权利！© 2018-2023 Ta老师 Talaoshi.com 湘ICP备18019507号-1 联系QQ:469958。