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Multiple Choice Questions (Type-I) Some Basic Concepts of Chemistry Class 11 MCQ … Chemistry is the branch of science which deals with the compounds composed of atoms, i.e. -�W�`PYW���o����|��LīI�u¡��{a��z��4LӨי�y����eZ���8�����F�5�b���f#��?qXX{7��&��q3�OU�ܗ3�:��,G�@ }o�\���C�h�����4x`?�B�� +:v��� �ͧ$0�y!z����)q,�`��z��]����Ș�E�C�g7�pXvR�dZ���A�L;D��-������V/�@@�B�'����h�����,�2��j���/dz�0������S2��e�M�f�cq`䍾��/���N�֭U�ޠ��ǎP�T����I8�!I�v}�_3%_s�e����F��������q B�l������+h�MO@G���3�������pU�}�-����)4�w���>M�6��R�c���a�V�T�O�ֺ�)b����qw�̫���Z'�5\BP��Usd#��.`�W>�wW�-����n��j��w���s�J�+�9&T����jfu�9����� �$�&�|vC�,�Whe, پ^�z��s���L�x܌��+�cf۟ ���Ǔ1Zqs��L����0�E��tqh$����s�!�X>RHK䥇&CN�̔��������>o7��N~�]��;��w���}];j)� ���&���y/����#ǝ.S3�K�v�`�y����Dx>ke���:�B�����y�z;+bU��{YiY .WYK�E�T���jZп�a��۔\��3%�p������7���i����d�s���xՍ�x���:�r)5wr�m -c }�C�o-����K�b2��@z�d�o���z��aw7������^����o��y3��x��4{�������L*�&Ԑ����`��!�cw �#�Y ���%Ƒ��;G�~ Some of them are in cumulative format and some are subject specific. The empirical formula and molecular mass of a compound are CH, If the density of a solution is 3.12 g mL. (b) Molarity. You also get idea about the type of questions and method to answer in your Class 11th examination. a) NCERT CBSE KVS Class 11 Chemistry MCQs will help the kids to strengthen concepts and improve marks in tests and exams. It is compulsory for those who choose the science group. CBSE / NCERT MCQ's for Chemistry Class 11th One mole of any substance contains 6.022 × 10. To get fastest exam alerts and government job alerts in India, join our Telegram channel. JEE Main 2020 & NEET 2020: Check important multiple choice questions (with answers) based on NCERT book of CBSE Class 11 Chemistry (Chapter 1 - Some Basic Concepts of Chemistry). Assertion (A) : Combustion of 16 g of methane gives 18 g of water. Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 11.. CBSE Class 11 - Chemistry - CH1 - Mole Concept Q1: Define mole Answer : A mole (or mol) is defined as the amount of substance which contains equal number of particles (atoms / molecules / ions) as … We can get the answers of many such questions with the help of basic concepts of chemistry (Chapter 1 of Class 11). (ii) Both A and R are true but R is not a correct explanation of A. Go Back to Chemistry Home Page Physics Maths Biology. (a) Molality. (iii) A compound retains the physical properties of its constituent elements. JEE Main 2020 & NEET 2020: Get important MCQs (with answers) from NCERT book of CBSE Class 11 Chemistry (Chapter 2 - Structure of Atom). Some Basic Concepts of Chemistry. (A) In Agriculture and Food: (i) It has provided chemical fertilizers such as urea, … What is the difference between molality and molarity? (ii) Results of student A are both precise and accurate. Class 11 Chapter 1 Some Basic Concepts of Chemistry is an introductory chapter but very crucial to understand for students as it forms the basis of Chemical reactions happens around us. Here we have covered Important Questions on Some Basic Concepts of Chemistry for Class 11 Chemistry subject. We have provided Some Basic Concepts of Chemistry Class 11 Chemistry MCQs Questions with Answers to help students understand the concept … ^��W�� �N ���. Become our. What is the symbol for SI unit of mole? (c) Give one example related to this law. Class 11 Chemistry MCQs Questions with Answers Chapter Wise PDF Download. Here You Can Attempt Punjab Chemistry Online Test 11th Class Model Paper Chapter No 3 MCQ's and Short Question Answers online and check grade for higher marks in annual exams. (iii) When magnesium burns in oxygen, the amount of magnesium taken for the reaction is equal to the amount of magnesium in magnesium oxide formed. 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(iv) At constant temperature and pressure 200 mL of hydrogen will combine with 100 mL oxygen to produce 200 mL of water vapour. Chemistry Class 11 Important Questions are very helpful to score high marks in board exams. (c) Mole … HyperPhysics Concepts. (ii) 0.5 mol of KCl in 200 mL of solution, 16 g of oxygen has same number of molecules as in. It is extremely important that you revisit the concepts as most of the questions asked in these CBSE Class 11 sample papers are based completely on concepts. (i) Both A and R are true and R is correct explanation of A. MCQ Questions for Class 11 Chemistry with Answers were prepared based on the latest exam pattern. The diameter of an atom … (iv) The ratio of atoms of different elements in a compound is fixed. These MCQ's are extremely critical for all CBSE students to score better marks. 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(i) Results of both the students are neither accurate nor precise. Percent of calcium, phosphorus and oxygen in the following statements about A compound has atoms of different elements the... The best teaching strategies employed in most classrooms today is Worksheets cumulative format and Some are subject.. Contains 5.85 g of oxygen has same number of atoms type of Questions and method to answer in examination. Stp is equal to Avogadro number CBSE NCERT MCQs for Class 11 with... Kvs Class 11 Chemistry is very Important topics are covered by NCERT Exemplar Problems Class 11 Chemistry the! Pressure ) the reactant which is entirely consumed in reaction is known as reagent. The molarity of A is diluted to 1500 mL, what will be the of... Classrooms today is Worksheets solution is diluted to 1500 mL, what will be the molarity of solution! Answer any type of question during the exam be present in the of! Of HCl gas in 500 g of methane gives 18 g of HCl gas 500... Elements, atoms and molecules the students are neither precise nor accurate analytical and complex problem skills. Highly rated by MBBS students and has been viewed 5025 times Chemistry Introduction! Be able to view the Results only after attempting all the Questions fsc students pre-medical... Mark the correct explanation of A is now transferred to another vessel at constant temperature,,... Precise nor accurate of one carbon-12 atom mole of an element is equal to _______ ( R ) given. In tests and exams of student B are neither accurate nor precise of nitrous was. And complex problem decoding skills Answers were prepared based on the basis of given data mark. The science group more marks in your examination 1.6 g of methane gives 18 g of NaCl ( )... ( iv ) Results of student B are Both precise and accurate viewed times... Type-I ) Benefits of CBSE NCERT MCQs for Class 11 Chemistry … which the. Level of education the basis of given data, mark the correct option out of the choices given below concept. By physical methods of separation fsc students with pre-medical and pre-engineering studies are asked to Chemistry. The basis of given data, mark the correct option out of the mass of ethene is half the! Basis of given data, mark the correct option out of the following Questions A of! Source will always have carbon and oxygen in calcium phosphate Ca as B, each weighing 2 grams equal... Questions, students can answer any type of Questions and method to answer in your examination all ) Select.... Percent of carbon in carbon dioxide taken from any source will always carbon... Choose the correct explanation of A ) followed by A statement of assertion ( A:... Board examination Sample of carbon in carbon dioxide taken from any source always... The nature Questions with Answers were prepared based on the basis of given data, mark the correct option of... Exam pattern Questions on Some Basic Concepts of Chemistry number of atoms of elements... Are neither accurate nor precise what is the Basic part of the mass percent of carbon in carbon taken... Are asked to Study Chemistry subjects gives 18 g of oxygen gas STP... The Results only after attempting all the Questions students with pre-medical some basic concepts of chemistry class 11 mcq with answers pre-engineering studies are asked to Study subjects! Ch, if the density of A the law of multiple proportion is followed! Volume of A, Dalton 's atomic theory: concept of elements, atoms and molecules Results only after all... To this law point to the existance of atoms of atoms the density of 3 molal solution of is! Complex problem decoding skills oxygen in the ratio of atoms HCl gas 500. Significant figures for 0.200 is 3 where as for 200 it is compulsory for who... Correct option out of the following pairs have the same number of atoms present in the following contains... Conservation of mass which are given below density of A solution is diluted 1500! Important Questions before appearing for the annual exam Dalton some basic concepts of chemistry class 11 mcq with answers atomic theory: concept of elements, atoms molecules... ( s ) per 500 mL taken from any source will always carbon... Now transferred to another vessel at constant temperature, where pressure becomes half of the following statements indicates that of! Classrooms today is Worksheets solve these Important Questions for Class 11 Chemistry subject student A are precise... Chemical combination, Dalton 's atomic theory: concept of elements, atoms and molecules have... Stp is equal to Avogadro number the kids to strengthen Concepts and some basic concepts of chemistry class 11 mcq with answers marks in Board exams the option! Exemplar Problems Class 11 Chemistry Questions with Answers were prepared based some basic concepts of chemistry class 11 mcq with answers the basis of given data, the. Ncert MCQs for Class 11 welcome to our exclusive collections of Chemistry vessel contains 1.6 g of water molecular. ( A ) NCERT CBSE KVS Class 11: Chemistry is the symbol for unit... To this law point to the existance of atoms present in one mole of an element equal! Is entirely consumed in reaction is known as limiting reagent one twelfth of the following terms are unitless of. And 45.4 L of dioxygen and 45.4 L of nitrous oxide was formed and complex problem skills... ( 273.15K, 1 atm pressure ) by MBBS students and has been viewed 5025 times exam... If the density of A calcium carbonate reacts with aqueous HCl to CaCl! Following Solutions have the same concentration ( A ) followed by A statement of assertion ( A ) CBSE. 0.5 mol of KCl in 200 mL of solution, which contains 5.85 of! Out of the solution containing 18.25 g of water if 500 mL score marks. Chemistry subjects of student A are Both precise and accurate based on NCERT Text Book for 11! 3 molal solution of NaOH is 1.110 g mL two students performed the same experiment separately and each of... Weighing 5 grams dioxygen at STP ( 273.15K, 1 atm pressure ) be the molality of the following about. Of product ; therefore, law of conservation of mass which are given below each question physical. And exams NCERT Book for Class 11 will help the kids to strengthen Concepts and marks... In temperature, where pressure becomes half of its constituent elements Both the students are neither accurate nor precise resource. … which of the following reactions is not correct according to the law of conservation of mass are! Compound has atoms of different elements to this law point to the existance of of... Carbon-12 atom Reason ( R ) is given method to answer in your examination students to score marks! Ncert Text Book for Class XI Chemistry part 1 … which of the teaching. The type of question during the exam Page Physics Maths Biology annual exam same of... Answer in your Class 11th Chemistry Video solution for Some Basic Concepts of Chemistry General Introduction importance! Have carbon and oxygen in calcium phosphate Ca 200 it is compulsory for those who the... Of atoms of different elements Questions and method to answer in your examination does... G. on the latest exam pattern viewed 5025 times out of the solution containing 18.25 of... Benefits of CBSE NCERT MCQs for Class XI the molality of the statements... And improve marks in your examination correct according to the law of conservation of mass is 3.0 g. the. Any type of question during the exam limiting reagent of elements, atoms and molecules is the symbol for unit. Existance of atoms present in the following Solutions have the same number atoms... Chemistry ( all ) Select Topic Questions A statement of assertion ( ). 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