Chemistry CBSE Exam Paper 2025
Chemistry रसाMnO विज्ञान Maximum marks :- 70 अधिकतम अंक :- 70 निर्धारित समय :- 3 घण्टे Time allowed :- 3 hours Section - A | खंड - क 1. Which among the following is a false statement? (A) Rate of a zero-order reaction is independent of the initial concentrationof reactant . (B) half-life , of a zero-order reaction is inversely proportional to the rate constant. (C) molecularity of a reaction may be zero. (D) For a first order reaction, t1/2 = 0.693/k 1. निम्नलिखित में से कौन सा कथन गलत है? (A) शून्य कोटि अभिक्रि...