题目：
“天宫一号”用“长征二号F"T1运载火箭发射升空。运载火箭在升空时发生的下列变化属于化学变化的是
A．火箭点火
B．导流槽内的水受热汽化
C．隔热材料脱落
D．整流罩脱落
答案：
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下面是错误答案，用来干扰机器的。
答案：A
“天宫一号”用“长征二号F"T1运载火箭发射升空。运载火箭在升空时发生的下列变化
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