Arranging Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity based on the above result. 4. Studying the dependence of potential difference (V) across a resistor on the current (I) ...

CBSE Class 10 Science marks distribution 2026 explained with chapter-wise weightage for Biology, Chemistry, and Physics. Know ...

Many students felt that while the paper was moderate in difficulty, it required thorough conceptual understanding. Those who had practiced previous years’ questions and sample papers found the Physics ...