Dear aspirant,

It is advised to the students to practice the sample.papers for better accuracy and efficiency. The candidates will be able to recognise and rectify their mistakes which they are making during the solving of papers.

It would make you realise and you would be more careful while commiting those mistakes. By solving the papers you would also get to strengthen your time management .

For more information you can check out the link given below-

https://school.careers360.com/boards/cbse/cbse-class-12-sample-papers

Your profile states that you are from Uttarakhand so I am giving you the link of 12th Board sample papers of Uttarakhand. Click on the link below and you will get all the sample papers/ previous years question papers of 12th standard. Just click on the link and scroll down and you will get all the papers including chemistry and physics papers as well.

https://www.google.com/url?sa=t&source=web&rct=j&url=https://school.careers360.com/articles/uk-board-12th-question-papers/amp&ved=2ahUKEwi28qun0ez0AhUHw4sBHdCeBxsQFnoECAYQAQ&usg=AOvVaw1wsZcL700RprBEu_teOWxb

Hello Anjali

You can use this link to download sample papers for class 12th.

https://www.google.com/url?sa=t&source=web&rct=j&url=https://school.careers360.com/boards/cbse/cbse-class-12-sample-papers/amp&ved=2ahUKEwiz6uCD0ez0AhU4rlYBHZy6AnwQFnoECAoQAQ&usg=AOvVaw2zsg0Ug6clsqtNDKO322w6

Other than this, you may also use CBSE's official sample papers from the link below. Please wait if it's not updated.

https://www.google.com/url?sa=t&source=web&rct=j&url=http://cbseacademic.nic.in/sqp_classx_2020-21.html&ved=2ahUKEwiZl46f0ez0AhUKGaYKHekFDQoQFnoECA8QAQ&usg=AOvVaw1Eo9c-CxykLM9v6y_h3tLu

Hope that helped. All the best