纯净物A、B、C、D的组成中至少有一种元素相同,它们之间有如图转化关系(部分条件和产物省略)。回答下列问题: (1) 若A为金属单质,C为浅黄色粉末,常温常压下Y为液态氧化物,则B的化学式为,C→D的离子方程式为。 (2) 若A是非金属单质,C是光合作用的原料,A和C在高温下生成B,则该反应中氧化产物和还原产物的质量之比为。 (3) 若A为黄绿色气体,X为金属单质,B为X在A中燃烧生成的棕黄色的烟,写出A和X反应的化学方程式短文改错
How would you like to trip to the moon? Men have landed
there.
Some day, the moon might be a popular place to visit it.
(1)______
What could a trip to the moon like?
(2)_______
Here is some facts. (3)_______
There is no air and water on the moon. To stay alive, (4)_______
you would have to take your own oxygen and your
own supply of water. It is silence on the moon because (5)_______
there is no air. Sounds can't be carried from place
to place. At night the temperature goes down at 115℃ (6)_______
below zero. During the day, the moon warm up to 100℃ (7)_______
above zero. How will the surface of the moon looks (8)_______
like? The moon has great round holes on it. You might (9)_______
forget what day it is on the moon because a moon day lasts for
two weeks. But at least you will need a raincoat.
The weather on the moon never changes at all.
(10)______