下列变化中,属于化学变化的是                        

下列变化中,属于化学变化的是                                         (   

A.蜡烛燃烧       B.冰块融化        C.香水挥发       D.绞碎花生

答案

A

相关题目

西域地区正式归属汉朝中央政权管辖始于     A.张骞出使
西域地区正式归属汉朝中央政权管辖始于     A.张骞出使西域                       B.班超出使西域     C.西域都护府的设置       
2009年5月,由天津中新药业集团股份有限公司、天津生物芯片
2009年5月,由天津中新药业集团股份有限公司、天津生物芯片技术有限责任公司联合进行的“速效救心丸对人类基因整体表达情况的影响”科研项目正式
You are old enough to      your own living. A.win            B.
You are old enough to      your own living. A.win            B. gain            C. take            D. earn  
若复数是纯虚数,则实数的值为                   
若复数是纯虚数,则实数的值为                    
解方程: =;
解方程: =;
                    ,乌蒙磅礴走泥丸。
                    ,乌蒙磅礴走泥丸。
I was inspired by a video of a young Pakistani man. He celebrated his 22nd birt
I was inspired by a video of a young Pakistani man. He celebrated his 22nd birthday with 22 random acts of kindness. I mentioned to my daughter Tamara that I’d like to copy the young man’s idea
24. Let’s learn to use the problem we are facing________a stepping-stone to fu
24. Let’s learn to use the problem we are facing________a stepping-stone to future success.    A. to             B. for            C. as                 D. By

最新题目