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 ...
The Haryana Board of School Education (HBSE) has made the Science course materials for Class 10 available online for the 2025–2026 school year. This article contains a PDF version of the Haryana Board ...
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