A:木炭的可燃性
B:汽油的挥发性
C:氧气的氧化性
D:碳酸氢铵的不稳定性
某试剂瓶内装的估计是盐酸,要鉴别是否真是盐酸,应采用的实验操作是:首先用试管取少量待测液,加入____,然后,再用试管取少量待测液,加入____,如果是盐酸,前后两步的实验现象是____、____.
A.—Is this your skirt,cat?
—Oh,yes.Thank you.
B.—I like this book.
—Me too.
C.—This is my new T-shirt.
—How nice!
What _____ for dinner? ( )