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 »
SOLUTION According to Mendeleev’s periodic law, properties of elements are periodic function of their atomic masses. SOLUTION The vapour content in the air is measured using a physical quantity called absolute humidity. SOLUTION For the normal human eye, the near point is at 25 cm. SOLUTION The astronomical object closest to us is Moon is
Download Paper Have a look of Original Board Question Paper विभाग १ – गद्य पठित गद्य प्र.१.(अ) उताऱ्याच्या आधारे सूचनेनुसार कृती करा. [7] “दोन महिन्यांत पन्नास पौंड वजन कमी करून दाखवीन तर खरा” अशी भीष्मप्रतिज्ञा करून मी आहारशास्त्रावरच्या पुस्तकात डोके घालू लागलो. प्रोटीनयुक्त पदार्थ, चरबीयुक्त द्रव्ये वगैरे शब्दांबद्दलची माझी आस्था वाढू लागली. साऱ्या
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 »
कृती (१) (अ) कृती करा. (आ) खालील घटनांचे पाठाचे आधारे परिणाम लिहा. उत्तर: (इ) तुलना करा. उत्तर: (ई) खालील आशयाची कवितेची उदाहरणे पाठातून शोधून लिहा. (१) शब्दांची मौज वाटेल, अशी बहिणाबाईंनी दिलेली उदाहरणे –उत्तर: (१) पर्गटले दोन पानं जसे हात जोडीसन
Note:→ The following Quiz helps students to learn and practice Hindi Grammar.→ Each Quiz is of 10 questions→ Quiz has timer→ Questions will appear randomly→ To practice all questions students are supposed to take Quiz again and again→ Although you will get 10 questions in quiz but the quiz contains 80 questions(repeat quiz to practice
१. निम्नलिखित वाक्यों में अधोरेखांकित शब्दों के शब्दभेद पहचानकर लिखिए : Read More »
कृती (१) (अ) योग्य पर्याय निवडून वाक्ये पूर्ण करा. (१) पोपटी स्पंदनासाठी म्हणजे – (अ) पोपटी पानात जाण्यासाठी. (आ) उत्साहाने सळसळण्यासाठी. (इ) पानांचे विचार घेण्यासाठी.उत्तर: पोपटी स्पंदनासाठी म्हणजे – उत्साहाने सळसळण्यासाठी. (२) जन्माला अत्तर घालत म्हणजे – (अ) दुसऱ्याला आनंद देत. (आ) दुसऱ्याला उत्साही
४. झाडांच्या मनात जाऊ Read More »
