CBSE Class 10 Science Question Paper 2025
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Detailed pedagogical breakdown of each question in this board exam
Rigorous step-by-step solutions for CBSE Class 10 Science 2025 Board Examination (Code 31/1/1), covering chemical reactions, electricity circuit calculations, ray optics lens formula, and genetic inheritance.
Identifying the oxidizing agent and reducing agent in the reaction: MnO₂ + 4HCl → MnCl₂ + 2H₂O + Cl₂.
Which gas is evolved when dilute hydrochloric acid (HCl) reacts with sodium carbonate (Na₂CO₃), and what is the test to confirm this gas?
In the thermite process, which reducing agent is used to reduce iron(III) oxide (Fe₂O₃) for joining railway tracks?
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