Canvas Classes Top 50 Concepts for Revision

Chemistry is done for the most part. Thoda bahut estimation wala part bacha and and blocks mein bhi thoda. Is this good for revision? daily minimum 6-7 videos dekhe ja sakte hai iske. please suggest any alternatives. thanks https://preview.redd.it/6wjq2lhczp9e1.png?width=1722&format=png&auto=webp&s=bed67e3b811f21963f7dbb86d784a05996cc2da9