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An atom is the smallest unit of matter that has the characteristic properties of a chemical element. It is also called the basic building block of chemistry. Every solid, liquid, gas, and plasma is made of neutral or ionized atoms. Most of the atoms are empty space. The rest are made o...
Scientist and author Kate Biberdorf (perhaps better known as Kate The Chemist), answers the internet's burning questions about chemistry. Why does Diet Coke and Mentos make a chemical reaction? Do brains really have chemicals inside them? What do electro
Try this awesome “Chemistry Unit 1 Practice Test Questions And Answers" quiz and let's see how well-versed you are in chemistry. The quiz is made to test your understanding of the fundamental concepts of chemistry. If you have a serious chemistry exam, test your knowledge and prepare well...
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chemistry subject. In theonline test systemstudents are provided with chapter wise, half book andfull book test systemin the form of multiple choice questions, MCQs. These questions are offered in such a way that students face in theannual examination. After going through these test students ...
Chemistry Questions ans Answers BASED ON HIGH ORDER THINKING SKILL (HOTS) UNIT-3 ELECTROCHEMISTRY 1 MARK QUESTIONS Q. 1. Which solution will allow greater conductance of electricity, 1 M NaCl at 293 K or 1 M NaCl at 323 K and why ? Ans. 1 M NaCl at 323 K as the ionic mobilities ...
CBSE Class 10 Chemistry Chapter 3 Important Questions and Answers VERY SHORT ANSWER TYPE QUESTIONS Q.1.Name two metals which catch fire if kept in open air. Ans: Sodium and Potassium Q.2. Name the metals which can displaces hydrogen from acid:- ...
Chemistry Biology Physics Earth Science Astronomy Zoology Music English Language Arts Religious Studies Other Arts Sociology Geography Anthropology Math and Arithmetic What does the letter F stand for in math equations? Asked byWiki User Needs a Topic ...