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Which of the following is most basic in character ? View Solution Which one of the following element is important for nitrogen fixation ? View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class...
Which one is the most amphoteric hydroxide? a. RbOH. b. Sr(OH)_2. c. Sn(OH)_4. d. HIO. What ions are formed when H2SO4 dissolves in water? Which of the following ions will react with water in a hydrolysis reaction: K^+, Ba^{2+}, Fe...
下列哪种物质不属于两性物质 Which of the following substances is not an amphoteric substance A. 甘氨酸 (glycocoll) B. 氯化铵 (NH4Cl) C. 碳酸氢钠 (NaH 03) D. 磷酸二氢钠 (NaH_{2}PO_{4}) 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
a93. Which of the following is the MOST accurate method for calculating and evaluating the economic advantages or disadvantages of purchasing a piece of machinery? 93. 购买机械片断的方法为计算和评估经济好处或缺点是哪些以下最准确的? [translate] aenjoy,everday 享用, everday [translate] alimite de ...
When added to water, which of the following would produce a base? Li2O CO2 F2 SO3 Defining Bases: A base can be defined in a number of ways, but the most common definition is that a base is a substance that releases hydroxide ions when it dissociates. The other c...
某企业2019年度的利润总额为900万元,其中包括本年收到的国库券利息收入10万元;税法规定当期允许扣除的业务招待费为300万元,企业当期实际发生业务招待费410万元,企业所得税税率为25%。假定不考虑其他因素,该企业2019年应交的所得税为( )万元。
商定双方共同开拓中国公民出境旅游业务。该国际旅行社负责招徕游客,该常驻机构负责境外地接,协议签订后,双方合作先后组织多人赴新加坡、马来西亚、泰国旅游,后因经济纠纷,双方合作破裂。该国际旅行社把这一纠纷投诉到了旅游局,旅游局调查取证后,解决了双方的纠纷,对该旅行社和常驻机构同时进行了严厉的处...
aAdding Linsey following…. 增加Linsey跟随….[translate] athats why i can learn 所以我可以学会[translate] aThis is proprietary information so unfortunately I can not provide it to you. Best of luck to you with your project and hope you decide to return to EML. 这是私有的信息那么不幸地我...
Lead has the highest atomic number of any stable element and three of its isotopes are endpoints of major nuclear decay chains of heavier elements. Lead is a relatively unreactive post-transition metal. Its weak metallic character is illustrated by its amphoteric nature; lead and lead oxides ...