首页/ 题库 / [单选题]9根据酸碱质子理论,属于两性物质的是 (的答案

9根据酸碱质子理论,属于两性物质的是 ( )

单选题
2021-09-06 21:09
A、NaCl
B、NaAc
C、NH4Ac
D、NH4+
E、HF
查看答案

正确答案
C

试题解析

感兴趣题目
翻译:With Average or With Particular Average(WA or WPA)()
()shall be liable for loss of and damage to the Vessel and/or goods arising or resulting from inaccuracies in stating the description,quantity,weight,measurement or contents.
Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo,without the authorization or privity of the Shipowner or his agent,is().
(), or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.
A salvor may be()the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.
The () is used for hauling in or letting out the wires or ropes.
Vessels must be()valid certificate of nationality or certificated of registry or license.
When loading or discharging dry mud or cement,crew members should use goggles and().
Effects which are dutiable or subject to prohibitions or restrictions should be declared in ().
根据酸碱质子理论,酸是(),碱是()。在共轭酸碱对中,若共轭酸的酸性越强,其共轭碱的碱性()。既能给出质子,又能接受质子的物质称为()物质。
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

根据酸碱质子理论,是共轭酸碱对的一组物质是 ( )
根据酸碱质子理论,不是共轭酸碱对的一组物质是 ( )
根据酸碱质子理论,属于两性物质的是( )。
根据酸碱质子理论,属于两性物质的是 ( )
按照酸碱质子理论,下列物质中属于两性物质的是()
按酸碱的质子理论,下列物质中属于两性物质的有。① H2O ②NH4+ ③ NaHCO3 ④ Ac-
63根据酸碱质子理论,是共轭酸碱对的一组物质是 ( )
18根据酸碱质子理论,不是共轭酸碱对的一组物质是 ( )
17根据酸碱质子理论,属于两性物质的是( )。
9根据酸碱质子理论,属于两性物质的是 ( )
酸碱质子理论认为:凡是能给出质子的物质都是酸,凡是能接受质子的物质都是碱。
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
广告位招租WX:84302438

免费的网站请分享给朋友吧