(C) The free energy as well as the entropy of mixing are zero Reason: - Ka for benzoic acid is 6.5 x 10-5 and for acetic acid is 1.74 x 10-5. Select the most appropriate answer from the options given ...

The Haryana Board of School Education (HBSE): Haryana Board of School Education (HBSE) releases model pacers and marking scheme for classes 9th to 12th. Here you can find a detailed information for ...

In a crucial update for millions of students, the Central Board of Secondary Education (CBSE) has released the official Sample Question Papers (SQPs) and Marking Schemes (MS) for Classes 10 and 12 for ...

The Central Board of Secondary Education (CBSE) has officially released the Class 10 and Class 12 sample question papers for the academic session 2025-26. The sample papers are designed to give ...

CBSE Sample Papers 2026 for Class 10, 12 has been released. The SQPs & Marking Schemes can be checked on cbseacademic.nic.in. Central Board of Secondary Education has released CBSE Sample Papers 2026.

Students and teachers can now access the sample papers and marking schemes through the CBSE academic website — cbseacademic.nic.in Most of the sample papers and marking schemes are available in both ...

Central Board of Secondary Education, CBSE will be releasing the CBSE Date Sheet 2025 for Class 10, 12 soon on the official website soon. The practical exam dates have already been shared and schools ...