Celebrated annually on October 23 from 6:02 a.m. to 6:02 p.m., Mole Day commemorates "Avogadro's Number": 6.02 x 10 23. This number--called a mole--is a basic measuring unit in chemistry. Mole Day ...

ICSE Class 9 Chemistry Sample Paper for Half Yearly Exam 2025: Students preparing for the ICSE Class 9 Chemistry half-yearly exams need more than just memorizing formulas and definitions. The ICSE ...