4.Question: Consider the reactions of dilute hydrochloric acid with the following metals: Aluminium, Copper, Iron, Magnesium and Zinc. The correct observation is: (A) Most vigorous reaction with ...
To help students prepare effectively for the upcoming board and half-yearly exams, CBSE has released subject-wise sample papers along with marking schemes. Below are the key details you need to know: ...
The Central Board of Secondary Education(CBSE) will conduct the Secondary School Main Examinations (Class 10th Board Exam) from February 17 to March 10, 2026. The board exams will commence on February ...
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