题目

按要求回答下列问题 （1） 漂白液有效成分的化学式。 （2） 氯气与水反应的离子方程式。 （3） 小苏打受热分解的化学方程式； 答案：【1】NaClO 【1】Cl2+H2O=H++Cl－+HClO 【1】2NaHCO3Δ__Na2CO3+CO2↑+H2OA new house which ____ near our school disturbs our classes a lot with its great noise. A. is built B. is being built C. has been built D. will be built