(1) Select and write the most appropriate alternatives from the given choices. (A) Which molecule is linear?(a) SO3(b) CO2(c) H2S(d) Cl2O (B) When the following bond types are listed in decreasing order of strength (strongest first). Which is the correct order ?(a) covalent > hydrogen > vander waal’s(b) covalent > vander waal’s > hydrogen(c) […]
5. Chemical Bonding Read More »
Download Chemistry textbook 1. Choose correct option. (A) The energy difference between the shells goes on ……….. when moved away from the nucleus.(a) Increasing (b) decreasing(c) equalizing(d) static (B) The value of Plank’s constant is –(a) 6.626 × 10-34Js (b) 6.023 × 10-24Js(c) 1.667 × 10-28Js (d) 6.626 × 10-28Js (C) p-orbitals are ____ in
Chemistry Chapter 4. Structure of Atom Read More »
Note:→ The following Quiz helps students to learn and practice Objectives.→ Each Quiz is of 10 questions→ Quiz has timer→ Questions will appear randomly→ To practice all objectives students are supposed to take Quiz again and again. Click here to start Quiz 12345678910 0 votes, 0 avg 0 Created by Elite Tutors Class 11 Chemistry
Chemistry Chapter 3 : Some Analytical Techniques Read More »
Download Chemistry textbook Practice MCQ of this chapter 1. Choose the correct option (A) Which of the following methods can be used to seperate two compounds with different solubilities in the same solvent?(a) Fractional crystallization(b) Crystallization(c) Distillation(d) Solvent extraction (B) Which of the following techniques is used for seperation of glycerol from soap in soap
Chemistry Chapter 3 : Some Analytical Techniques Read More »
Download Chemistry textbook 1. Choose correct option A. The branch of chemistry which deals with study of separation, identification, and quantitative determination of the composition of different substances is called as …………a. Physical chemistryb. Inorganic chemistryc. Organic chemistryd. Analytical chemistry B. Which one of the following property of matter is Not quantitative in nature ?a.
2. Introduction to analytical chemistry Read More »
Download Chemistry textbook 1. Choose the most correct option. A. A sample of pure water, whatever the source always contains by mass of oxygen and 11.1 % by mass of hydrogen.a. 88.9b. 18c. 80d. 16 B. Which of the following compounds can NOT demonstrate the law of multiple proportions ?a. NO, NO2b. CO, CO2c. H2O,
1. Some Basic Concepts of Chemistry Read More »
