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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). -�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)� (A) In Agriculture and Food: (i) It has provided chemical fertilizers such as urea, … Practice Question in class 11 of some basic concepts of chemistry. 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