在常温常压下,SF6气体密度为空气的()。
A.1倍
B. 3倍
C. 5倍
D. 7倍
- · 有2位网友选择 B,占比25%
- · 有2位网友选择 C,占比25%
- · 有2位网友选择 D,占比25%
- · 有2位网友选择 A,占比25%
A.1倍
B. 3倍
C. 5倍
D. 7倍
A、相对密度比空气大1倍,lNm3正丁烷重2.458kg。The relative density is 1 times that of air, and lNm3 n-butane weighs 2.458kg
B、经常以液体形式从天然气中提取出来,通常被当作动力汽油的掺合剂使用。It is often extracted in liquid form from natural gas and is often used as an admixture for power gasoline
C、在常温常压下, C1~C4为气体, C5+为液体At normal temperature and pressure, C1 ~ C4 is a gas and C5+ is a liquid
D、以上都不对
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!