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 ...

HBSE Class 10th Science 2026: Haryana Board, also known as the Haryana Board of School Education (HBSE), releases yearly ...

RBSE Board Exam 2026 schedule released for Classes 9, 10, 11 & 12. Class 10 & 12 exams from 12 Feb to 12 Mar, Class 9 & 11 from 10 Mar to 25 Mar. Check complete timetable, important instructions, and ...

STATEN ISLAND, N.Y. -- DONGAN HILLS -- After her first-year students completed their first biology lab — attraction between the male and female Madagascar hissing cockroach — Stacy Baker blogged the ...