题干

A、B、C、D均为中学化学常见的纯净物,A是单质.它们之间有如图的反应关系:

(1)若A是淡黄色固体,C、D是氧化物,且C是造成酸雨的主要物质.处理C物质可得到有价值的化学品,写出其中1种酸和1种盐的名称____ .

(2)若B是气态氢化物.C、D是氧化物且会造成光化学烟雾污染.B与C在一定条件下反应生成的A是大气主要成分,写出该反应的化学方程式 ____ .

(3)若D物质具有两性,②③反应均要用强碱溶液,④反应是通入过量的一种引起温室效应的主要气体.判断单质A的元素在周期表中的位置是____ .写④反应离子方程式____ .

(4)若A是太阳能电池用的光伏材料.C、D为钠盐,两种物质中钠、氧外的元素为同一主族,且溶液均显碱性.写出②反应的化学方程式 ____ .D的化学式是 ____ .

(5)若A是应用最广泛的金属.④反应用到A,②⑤反应均用到同一种非金属单质.C的溶液用于蚀刻印刷铜电路板,写该反应的离子方程式 ____ .

上一题 下一题 0.0难度 选择题 更新时间:2017-10-11 11:11:38

答案(点此获取答案解析)

\u786b\u9178\u3001\u786b\u9178\u94f5\uff08\u6216\u786b\u9178\u9499\u7b49\uff09,4NH3+6NON2+6H2O,\u7b2c\u4e09\u5468\u671f\u2162A\u65cf,AlO2\ufe63+2H2O+CO2\u2550Al\uf

同类题1

阅读理解

    Global English Center

    General English in all four skills: listening, speaking, reading and writing.

    3-month (700 yuan), 6-month (1,200 yuan) and one-year (2,000 yuan) courses.

    Choice of morning or evening classes, 3 hours per day, Mon.--Fri.

    Experienced college English teachers.

    Close to the city center and bus stops

    Add: 105 Zhongshan Road Tel: 6760000

    Modern Language School

    Special courses in English for business, travel, banking, hotel management and office skills.

    Small classes (2~16 students) on Saturday and Sunday from 2:00 to 5:00 p.m..

    English teachers from Canada and the USA.

    3-month (1,000 yuan), 6-month (1,800 yuan).

    Add: 675 Park Road Tel: 6777777

    The 21st Century English Training Center

    We offer morning or afternoon classes. Both of which last three months and a half at a cost of 800 yuan. Entrance exams: June 1 and December 1.

    We also have a six-week TOEFL preparation class during winter and summer holidays

    Only 15-minute walk from city center.

    Call 6016666 for more information.

    The International House of English

    3-or 6-month English course for students of all levels at very low cost: 60 yuan for 12 hours per week; convenient class hours: 9:00~12:00 a.m. and 2:00~5:00 p.m.

    4~month evening classes for developing speaking skills (same cost as day classes)

    Well- trained foreign teachers

    Free sightseeing tours and social activities

    Very close to the Central Park.

    Call 6886666 for further information.