NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...
What is true about a solution of 1.0 M HF? Answer and Explanation: A solution of 1.0M HF undergoes partial ionization in solution and is a weak acid. This answer can be explained by comparing two compounds - hydrogen... Learn more about this topic: ...
when the trees are cr when the waiting woul when the walls go dow when there is solar h when theres no one th when they played id s when they took us when they were young when this time comes when thou tillest the when time turns aroun when to define a term when true when u kn...
If you struggle to get an erection, you may want to use your ring with a penis pump. The pump is a vacuum device your doctor can prescribe for ED. After pulling blood into your penis with the pump, slip your ring around the base of your penis before you remove the pump. The erectio...
The part of theionospherebelow 90 kilometersis calledthe D region. The part from 90 toabout 120 kilometers, where ionization r by x-rays and ionization of 02 byLyman-f radiation predominates, iscalled the E region. The part wherethe principal ionization occurs-from120 to ...
What's so good about ions? They're very important in many chemical reactions. For example, ordinary table salt (which has the chemical name sodium chloride) is made when ions of sodium join together with ions made from chlorine (which are called chloride ions). A sodium ion is made when...
(as potassium ions). Inorganic commercial fertilizers are easily transported, stored, and applied. Worldwide, their use increased about tenfold between 1950 and 1989 but declined by 12% between 1990 and 1999. Today, the additional food they help produce feeds one of every three people in the ...
1. 答案:My favorite day is Friday.解析:问句:你最喜欢哪一天?根据实际情况回答:我最喜欢星期五。2. 答案:I have English, math and music on Friday.解析:问句:那天你有什么科目?根据实际情况回答:星期五我有英语、数学和音乐课。3. 答案:I like English and music because they are interesting.解析:问句...
失去的用户名或密码? [translate] a你需要去出入境科备案 You need to go to the entering and/or leaving country branch to set up a file [translate] aIf you answered thing about what he or shen said for most qurstions 如果您回答了事关于什么他或沈为多数qurstions说 [translate] ...
A chemical reaction occurs between the glue and the borate ions, and slime forms the new substance. Instead of flowing freely as before, the molecules in the slime have become tangled and create what is slime. Think wet, freshly cooked spaghetti versus leftover cooked spaghetti! Cross-linking ...