NCERT Books

  • NCERT Class 11 Chemistry Lab Manual Titrimetric Analysis

                                                                     TITRIMETRIC ANALYSIS  You are already aware that a substance is analysed to establish its qualitative and quantitative chemical composition. Thus, chemical analysis can be categorised as qualitative analysis and quantitative analysis...

  • NCERT Class 11 Chemistry Lab Manual Systematics Qualitative Analysis

                                                               SYSTEMATIC QUALITATIVE ANALYSIS    Analysis always does not mean breaking of substance into its ultimate constituents. Finding out the nature of substance and identity of its constituents is also analysis and is known as qualitative...

  • NCERT Class 11 Chemistry Lab Manual Purification and Criteria of Purity

                                                     PURIFICATION AND CRITERIA OF PURITY  For the identification of a compound, qualitative analysis of pure substance is required. Therefore, first we have to purify the substance and then check its purity. There are many techniques namely,...

  • NCERT Class 11 Chemistry Lab Manual ph and ph change in Aqueous Solutions

                                                             PH AND PH CHANGE IN AQUEOUS SOLUTIONS You have already performed experiments on dynamic equilibrium between unionised salt and the ions produced by it on dissolving in a solvent. In this unit we will learn about shift in ionic equilibrium...

  • NCERT Class 11 Chemistry Lab Manual Introduction

    INTRODUCTION  L ABORATORY work has special importance in the learning of science as scientific principles develop and grow on the basis of laboratory work. Chemistry is an experimental science; the concepts learned in the theory classes are better understood through experimentation. Laboratory work...

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Latest CBSE News

  • For awarding the grades, the Board shall put all the passed students in a rank order and will award grades as follows: · A-1 Top 1/8th of the passed candidates· A-2 Next 1/8th of the passed candidates· B-1 Next 1/8th of the passed candidates· B-2 Next 1/8th of the passed candidates· C-1 Next 1/8th of the passed candidates· C-2 Next 1/8th of the passed candidates· D-1 Next 1/8th of the passed...
  • CBSE has issued the following circular regarding celebrating World Environment Day: World Environment Day is celebrated on June 5 every year. This year India is hosting the World Environment Day 2018 at global level in collaboration with UN Environment on the theme “Plastic Pollution" You are, therefore, requested to sensitize students by organizing awareness programmes on environmental...
  • Its expected that CBSE will release the results for class 10and class 12 board exams by end of next week. The results will be declared by many mediums so that students across the country don’t face any issues regarding accessibility to results due to sudden pressure on CBSE results website like previous years. The Central Board of Secondary Education's CBSE Class 12th result 2018 and CBSE Class...
  • CBSE has issued circular explaining the details regarding re evaluation process for class 12 and class 10. Read the details below.. 1. Verification of Marks a)  Request for verification can be submitted only online from website of CBSE  www.cbse.nic.in along with fee of Rs.500/- per subject as per schedule given in Annexure-I. b)  In case applying from India the requisite fee of Rs.500/- per...
  •  The government of Delhi has instructed 575 schools to return excess fees charged from parents with 9% interest. The list of the 575 schools is as under. Also, the notice issued by the govt says " In  continuation of orders dated 22.02.2018, 03.07.2017, 01.07.2016, 15.03.2016, 20.10.2015, 21.10.2014 and 28.02.2013 and in  exercise of the powers conferred under  rule   SO(xviii)  j  Section  24(3...
  • Honourable Prime Minister Shri Narendra Modi ji said "It is our responsibility to ensure that the right spirit of yoga is conveyed to everyone." To promote wellbeing and awareness about Yoga amongst students, the Ministry of Human Resource Development (MHRD) through National Council of Educational Research and Training (NCERT) is taking multi-dimensional initiative to promote Yoga in curriculum...