What is the best site to study class 12 science for free?

There are several websites that offer free resources and study materials for Class 12 Science students across various subjects. Here are some popular ones:

1. NCERT Official Website: The National Council of Educational Research and Training (NCERT) provides free access to textbooks, supplementary reading materials, and other resources for Class 12 Science students on its official website: https://ncert.nic.in/

2. Khan Academy: Khan Academy offers a wide range of video tutorials, practice exercises, and interactive lessons covering subjects such as Mathematics, Physics, Chemistry, Biology, and more for Class 12 Science students: https://www.khanacademy.org/

3. BYJU'S Free Resources: BYJU'S provides free access to study materials, video lectures, and practice tests for Class 12 Science students on its website. While some content may require a subscription, there are also many free resources available: https://byjus.com/free-ias-prep/

4. LearnCBSE.in: LearnCBSE.in offers free study materials, sample papers, NCERT solutions, and revision notes for Class 12 Science students in subjects like Mathematics, Physics, Chemistry, Biology, Computer Science, and more: https://www.learncbse.in/

5. TopperLearning: TopperLearning provides free resources such as video lessons, study materials, question papers, and revision notes for Class 12 Science students across various subjects: https://www.topperlearning.com/

6. Meritnation: Meritnation offers free study materials, NCERT solutions, practice tests, and sample papers for Class 12 Science students in subjects like Mathematics, Physics, Chemistry, Biology, Computer Science, and more: https://www.meritnation.com/

7. Extramarks: Extramarks provides free study materials, interactive learning modules, and video tutorials for Class 12 Science students in subjects like Mathematics, Physics, Chemistry, Biology, Computer Science, and more: https://www.extramarks.com/

These websites offer a wide range of resources to help Class 12 Science students prepare for their board exams, competitive exams, and other academic assessments. It's advisable to explore multiple sources and find the ones that best suit your learning style and requirements.