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 ...

CBSE Class 10th Science Answer Key 2025: The CBSE Class 10 Science Exam 2025 was held on February 20, 2025. As per the ...

CBSE Class 10 Science Exam 2025: The Central Board of Secondary Education (CBSE) successfully conducted the Class 10 Science ...

The Central Board of Secondary Education (CBSE) has introduced significant structural changes to the answer books for the Class 10 Board Exams 2026 in Science and Social Science. The revised format ...