题目

Every country has its favorite food. Italians like to eat pizza. Indians like to eat hot food. Japanese like to eat fish. Often they don't cook it.In England, one of the most popular kinds of food is fish and chips. People usually buy it in a fish and ckip shop. They put it in paper bags, and take it home, or to their workplace. Sometimes they eat it in the park or on the road. The world's favorite food is American fast food. If you go to some important cities in the world, you can find people eating hamburgers and chips.Fish and chips and Chinese take-away food are very popular in Engla14．可用于判断碳酸氢钠固体粉末中混有碳酸钠的实验方法是（　　）A．加热时无气体放出B．溶于水后滴加稀BaCl2溶液有白色沉淀生成C．滴加盐酸时有气泡放出D．溶于水后滴加澄清石灰水有白色沉淀生成