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 CBSE Class 10th Science will be held on February 25, 2026. Check previous 3 years sample question paper, exam pattern ...
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