读“欧洲西部图”，回答下列问题．

氢气是一种无色、无味、难溶于水的气体，是一种理想的能源．工业上可以用水煤气转化法制取氢气．其过程是将水蒸气通过高温炽热的焦炭层制得水煤气（水煤气是氢气和一氧化碳的混合气体），然后将水煤气跟水蒸气高温混合，以氧化铁为催化剂，使水煤气中的CO转化为CO₂，同时生成氢气，二氧化碳溶于水，通过加压水洗即得到较纯净的氢气．回答下列问题：

（1）氢气作为理想的能源，主要是氢气具有____ ，这属于氢气的____ 性质（填“物理”或“化学”）．

（2）水煤气跟水蒸气反应的化学方程式为____ 

    Hello, my____ is Li Ming. I am 14 years old．I go to Ximen School. This is a photo ____ my family. They____ my parents. He is my father and she is my mother. My father is 40 years old and my mother is 38 years old．My father is a ____in a hospital . My mother is an English____ in my school.My sister is 12 years old .We are in the ____ school .There are two big____ in front of my house. I____ my family.