(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 ...

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.

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 ...