2026 में 95% fix ?| 2025-26 ka Topper kaise bane Class 10th Hindi Medium | How to Become a Topper?

Class 11th 12th में TOP कैसे करें ? Topper Strategy??

Hindi Ka Paper Kaise Likhe Board Exam Mein✅Copy Kaise Likhe-Topper Kaise Copy Likhte Hai?

Class 11th Top करना हुआ अब आसान | 11th Topper Strategy | How to Top in Class 11

The given bar graph represents the pass percentage of the 10th and 12th classes of a school during the consecutive four year period 2016-19. दिया गया दंड आरेख 2016-19 की अवधि में चार लगातार वर्षों के दौरान एक स्कूल की 10वीं और 12वीं कक्षाओं की उत्तीर्णता प्रतिशत को प्रदर्शित करता है। What is the average of the pass percentage of the 10th class for all four years? सभी चार वर्षों के लिए 10वीं कक्षा की उत्तीर्णता प्रतिशत का औसत कया है?

Explain the following : (a) Esters can be prepared by the reaction of RCOOH and R'X in basic medium. Why is this method not suitable for the preparation of t-butyl ethanoate ? (b) How is t-butyl ethanoate prepared ? ( c) Explain the rate esterification of the following acids with MeOH . (d) Why cannot HCl be used for the conversion of RCOOH to RCOCl ? ( e) Why can esters be prepared more efficiently by the squence : RCOOH rarr RCOCl rarr RCOOR' , rather than RCOOH rarr RCOOR' ? (f) Why are acyl azides less reactive than ROCOCl but a little more reactive than anhydride ? K_a of N_3 H = 2.6 xx 10^-5 and K_a of CH_3 COOH = 1.8 xx 10^-5 .

June से पढ़कर Class 11th परीक्षा 2024 में 95% कैसे लाये

In how many years will a money become triple of itself at the rate of 10% per annum simple interest? 10% प्रति वर्ष साधारण ब्याज की दर से कोई धन कितने वर्षो में स्वयं का तीन गुना हो जायेगा ?

UP Board Exam 2024 Class 10 Hindi सभी जीवन परिचय एक विडियो में | 10th हिंदी के महत्वपूर्ण जीवन परिचय

HOW TO MANAGE ALL SUBJECTS IN CLASS 10TH| SELF STUDY KA MASTER PLAN