下列变化中属于化学变化的是（ ）

【名词&注释】

化学变化(chemical change)

[单选题]下列变化中属于化学变化的是（ ）

A. 铁丝弯曲 酒精挥发 冰雪融化 铁片生锈

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举一反三：

[单选题]22．I am in _________ ．

A. Grade One
B. eight
C. my friend
D. Class One

[单选题]From this passage we get to know that ________.

A. not all people like pop stars
B. pop stars have their own bands
C. fans are troublesome for pop stars
D. to be a pop star is not all fun

[单选题]8．

A. prints
B. borrows
C. sells
D. receives

[单选题]Therearesomanykindsofcomputersintheshop.Ireallydon'tknow______tochoose.

A. what
B. which
C. how
D. where

[单选题]9． Watching TV too much can get ______the way of his study．

A. in
B. out
C. at
D. on

[单选题]15．

A. somewhere
B. where
C. nowhere
D. anywhere

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