which of the following is not a compound answer
(B) also gives a positive test with neutral F e C l 3 solution. O2 is not a compound; it is a molecular element. Ammonia is a compound NH4, Water is a compound H2O, Salt in various forms are compounds NaCl (table salt). Explain why. A. has a different properties from the elements that formed it B. is a pure substance C. different samples have different properties d. can be represented by a formula. Among the given options Brass is not a compound. *Response times vary by subject and question complexity. Part A Which of the following is NOT a compound? Answers (1) I infoexpert24 : It does not show resonance because there are no electrons. But as it says which one, it will want you to say B. IT IS NOT A COMPOUND BECAUSE IT IS NOT MADE UP OF 2 ⦠If you can have more than one answer then A-CO2 and B-NaCL as technically an organic compound contains hydrogen and carbon. Which of the following is NOT a compound? It is a mixture of copper and zinc. Give reason for your answer: (i) CH_3 OH # NCERT. â¢The compound has properties different from the elements it contains. ii. The answer is Mg(Cl)2. 2. an unchanging measurement of the amount of matter an object contains is its A. mass B. density c. volume, d. length 3.characteristic properties ⦠Favorite Answer Air is a solution not a compound because in the atmosphere nearest earth it is oxygen,nitrogen,co2, and traces of many other gases, but nearer the edge of the atmosphere it is divided into helium and hydrogen. C is carbon. Chapter 2 Reading Quiz Question 5 Part A Except for elements 1 and 2, ⦠Compound is a substance that consists of two or more elements. â¢It can only be separated into its elements using chemical reactions. 1 st Semester Exam Study Guide ANSWERS 1.) Cl is chlorine. Source(s): 4th-grade science Five isomeric p-substituted aromatic compounds (A) to (E) with molecular formula C 8 H 8 O 2 are given for identification. Which of the following compounds will not exist as resonance hybrid. Covalent bonds form between two nonmetal atoms. The other choices are molecules of compounds because they contain two or more different kinds of elements. Both (A) and (B) form a silver mirror with Tollens reagent. The smallest part of a compound is called a molecule. In this case Magnesium is a metal and Chlorine is ⦠Compounds may be classified as either molecular or ionic depending on the nature of chemical bonds present among the elements that form the compounds. i. : It shows resonance due to the presence of lone pair of electrons on ⦠It has a unique composition that is always the same. An organic compound is a compound containing carbon. _______ keep fluid from leaking between cells. a. The others are compounds because they represent molecules composed of more than one element. ANSWER: Correct Oxygen is a molecule because it consists of the element oxygen only. Based on the following observation, give the structures of the compounds. Since it is an alloy, it is a mixture. Median response time is 34 minutes and may be longer for new subjects. Give reason for your answer: Post Answer. a. H 2 O b. O 2 O 2 IS A MOLECULE AND A MOLECULE IS MADE UP OF TWO OR MORE OF THE SAME ELEMENTS THAT ARE CHEMICALLY BONDED. (not using physical methods) â¢During the formation of a compound from its elements, a certain amount of energy in the form of heat, light, electricity is either absorbed or evolved
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