您所在的当前位置：高中化学试题 >

氯及其化合物

> 下列各组化合物中，均能由单质直接化合而得到的是 A．NH3、CuS、SO2、FeS B．SO3、Cu2S、NO、FeCl3 C．FeCl3、SO2、NO、Cu2S D．FeCl2、FeS、SO2、NH3

问题：

发布时间：2024-09-13

下列各组化合物中，均能由单质直接化合而得到的是

A．NH₃、CuS、SO₂、FeS

B．SO₃、Cu₂S、NO、FeCl₃

C．FeCl₃、SO₂、NO、Cu₂S

D．FeCl₂、FeS、SO₂、NH₃

参考答案：

提问用户：JF***KkN

可能感兴趣的题目：

1 He is so fat that he has decided to______. A．lose weight B．lose his weight C．put on weight D．put on his weight
2 阅读理解。 When Ben delivered milk to my home one morning before Christmas,he wasn"t his usual sunny self. He told me a customer had left without paying the bill,$79,nor leaving her new address. So it meant that he had to cover the loss. "She was a pretty woman,"he said, with six children and another on the way. She was always saying. "I"m going to pay you soon when my husband gets a second job." I believed her,but she left. Isn"t it annoying?" "Give her the milk. Make it a Christmas present to the kids who need it." I said. The holidays came and went. On a sunny January morning two weeks later,Ben was rushing to deliver milk when he saw a woman running down the street,waving money. He recognized her immediately--the woman who didn"t pay her bill. "I"m so sorry." she said. "I really have been meaning to pay you." She explained that her husband had come home one night and announced he" d found cheaper apartment. He" d also got a new job. With all that happened, she" d forgotten to leave the new address."But I"ve been saving," she said."Here"s $20 toward the bill. "That" s all right," Ben replied. "It"s been paid." "Paid!" she exclaimed (惊叫)."What do you mean? Who paid it?" "I did," Ben said,"It went to the children as a Christmas present!" 1. Ben was upset one morning because _______. A. a customer left without paying the bill B. he lost $ 79 on the way of the delivery C. he had to buy a present for the children D. he was going to lose his job 2. The author helped Ben by offering him _______. A. a Christmas present B. the debtor" s new address C. some money to cover the loss D. a suggestion to cheer him up 3. We can probably infer from the passage that the woman _______. A. cheated to raise her children B. moved to escape paying back the debts C. was a person with honesty D. wanted to give her children a Christmas gift 4. What is the best title of the passage? A. An Unhappy Christmas B. An Unusual Present C. A Poor Couple"s Life D. A Helpful Customer
3 若向量 a =（cosθ，sinθ）， b =( 3 ，-1)，则 . a - b . 的最大值为______．
4 宇航员在月球表面以速率v竖直上抛一个小球，经过t秒落回原地，已知月球半径为R,如果要在月球上发射一颗绕月球表面运行的人造卫星，则卫星的线速度为；
5 影响日本工业发展的不利因素是 A.水能资源丰富 B.发达的设备和科技事业 C.矿产资源贫乏 D.岛国，多港口，海上运输便利
6 设角A是第三象限角，且|sin A 2 |=-sin A 2 ，则 A 2 在（　　） A．第一象限 B．第二象限 C．第三象限 D．第四象限
7 China’s third manned spaceship Shenzhou Ⅶ was launched and three pilots successfully ____ the mission. A．acquired B．accomplished C．achieved D．attained
8 我国退耕还林草工程已于2000年3月正式启动了，这项工程涉及退耕地面积1333余万Km²，其中25°以上的坡耕地607余万Km²，需要国家投入大量的资金和粮食。这是在中国和世界生态建设史上罕见的伟大工程。据此回答19—20题。小题1:下列选项中，可用来监测和评估坡耕地植被恢复情况的指标是 A．干湿季降水量变化 B．干湿季径流量变化 C．种值业在农业产值结构中的比重 D．粮食总产量小题2:坡度在25°以上的坡地不宜开辟为梯田的主要原因是 A．土壤层缺失 B．不利于机械化操作 C．不适合农作物生长 D．农业的投人大于产出
9 物体从静止开始作匀加速直线运动，测得它在第n秒内的位移为S，则物体的加速度大小为：（） A．2S/(2n-1)　 B．(2n-1) /2S　 C．2S/n2　 D．2S/(n2-1)
10 Was it in the village ____ we used to live in ____ the accident happened? A．that, where B．which, that C．where, that D．which, where