首页/ 题库 / [单选题]实验室常用王水的组成是()。的答案

实验室常用王水的组成是()。

单选题
2021-12-27 11:24
A、1体积HCl+1体积HNO
B、1体积Hcl+3体积HNO
C、3体积Hcl+1体积HNO
查看答案

正确答案
C

试题解析

感兴趣题目
组成自然环境和生活环境的综合体因素是()
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 ().
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
在器械体操练习中最简单最常用的自我保护方法是()。
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
一项音乐心理学研究,实验是这样设计的:为了避免熟悉的音乐环境,实验安排在两种非典型的音乐练习和演出环境中进行。一种环境是在剧场底层敞开的大厅中(环境A),另一种是在办公室中(环境B)。要求实验参与者学习并回忆所学习的练习曲。学习和回忆包括在相同环境中(AA,BB)和不同环境中(AB,BA),评判学习和回忆的得分,从而判断得分与环境之间的关系。该实验是一个典型的两因素交叉分组实验设计,方差分析表如下: 问:(1)本实验共有几次重复?为什么? (2)本实验属于哪一种模型?为什么? (3)本实验的两个因素中哪些因素是显著因素?在本实验中显著因素的意义是什么?你可以得到什么结论?
相关题目
“王水”又私“主酸”,是一种腐蚀性非常强、冒黄色烟的液体,它是由(  )组成的混合物。
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.

35儿科常用的 ORS溶液内不含:()
技术训练常用的方法有单个练习、班集体练习和中队集体练习。()
中学常用的6种教学方法是教授法;谈话法;讨论法;演示法;练习法;实验法。
实验室常用王水的组成是()。
组成自然环境和生活环境的综合体因素是()。
清洗玻璃器皿的污垢,常用“王水”浸洗,则配制王水的比为()
()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)
翻译:With Average or With Particular Average(WA or WPA)()
常用布尔算符有:and、or、not等,当采用同义词进行检索时应当选用的算符是?
SWOT分析是最常用的内外部环境综合分析技术。
SWOT分析是最常用的内外部环境综合分析技术。
广告位招租WX:84302438

免费的网站请分享给朋友吧