试写出下列有关反应的化学方程式： （1）木炭在空气中不完全燃烧______ （2 发布时间：2017-07-21 15:26 │ 来源：www.tikuol.com 题型：填空题 问题： 试写出下列有关反应的化学方程式：（1）木炭在空气中不完全燃烧______（2）二氧化碳通入澄清石灰水中______（3）电解水______．
题型：填空题 短文改错。 The earliest coins in world were used in China from about 650 BC. Coins may be of different in size, weight and shape, and they maybe made from different metals, Usually they have different designs on the two sides. There is usually the head of the well known person on one side. Today the coin is marked by the name of the country,the date and its valuable. In the past, many things could be used formoney, such like seashells, rings, bamboo sticks, wood and so on.The earliest coin in the west were made of gold, mixed with silver. Much collections of coins were discovered. The largest collection found in Britain contained about 200 000 silver penny that were all over 600 years old.1.____2.____3.____4.____ 5.____6.____ 7.____ 8.____ 9.____10.____ 查看答案
